I'm going to copy-paste the U.S. Mono Album Discography from recordcollectorsguild.com so you can get an idea what was on the label. I'de be surprised if ten percent of this has been reissued.
- EKLP-1 Georgianna Bannister (soprano) New Songs by John Gruen (Mar 1951)
= Recorded Dec 1950
10-inch:
Label Type L2: "script" Σlektra tilted : label color = blue (EKLP-2); red (EKLP-3, EKLP-4); or black (EKLP-5, EKLP-6); deep groove label
- EKLP-2 Jean Ritchie Singing the Traditional Songs of Her Kentucky Mountain Family (1952)
- EKLP-3 Frank Warner American Traditional Songs (1952)
- EKLP-4 Shep Ginandes British Traditional Ballads (1952)
Cover I: black-and-white drawing of string instruments by Ritiro
Cover II: color wash of troubadour and castle by William S. Harvey- EKLP-5 field recordings by Maya Deren Voices of Haiti (1953)
- EKLP-6 Cynthia Gooding Turkish and Spanish Folk Songs (1954)
Label Type L2: white/print, "script" Σlektra tilted : print = red, green, blue or brown; deep groove label
- EKL-2 Jean Ritchie Singing the Traditional Songs of Her Kentucky Mountain Family (1952)
- EKL-3 Frank Warner American Traditional Songs (1952)
- EKL-4 Shep Ginandes British Traditional Ballads (1952)
- EKL-5 field recordings by Maya Deren Voices of Haiti (1953)
- EKL-6 Cynthia Gooding Turkish and Spanish Folk Songs (1954)
- EKL-7 Shep Ginandes There Was a Little Tree - American Folk Songs for Children (195-)
- EKL-8 Cynthia Gooding Mexican Folk Songs (195-)
- EKL-9 Shep Ginandes French Traditional Songs (195-)
- EKL-10 Hally Wood O Lovely Appearance of Death - American Songs of Sadness and Melancholy (195-)
- EKL-11 Cynthia Gooding Queen of Hearts - English Folk Songs (195-)
Cover I: sketch of a girl running through a glade, in red and blue colors
Cover II: "playing card" cover- EKL-12 Tom Paley Folk Songs of the Southern Appalachians (195-)
- EKL-13 Frank Warner Songs of America's Wars (195-)
- EKL-14 Sonny Terry with Alec Stewart Folk Blues (1954)
- EKL-15 Sonny Terry with Alec Stewart City Blues (1954)
- EKL-16 Oscar Brand, Ed McCurdy, Jack Elliott Badmen and Heroes (1954)
- EKL-17 Cynthia Gooding Italian Folk Songs (1954)
- EKL-18 Dick Wilder Pirate Songs (1954)
- EKL-19 Gordon Heath and Lee Payant Songs from the Abbaye (1954)
- EKL-20 Hillel Raveh Russian Folk Songs (1954)
- EKL-21 Alan Arkin Folk Songs (and 2½ That Aren't) Once Over Lightly (1954)
- EKL-22 Oscar Brand & Jean Ritchie Courtin's a Pleasure (1954)
- EKL-23 field recordings by Diane Hamilton Nova Scotia Folk Music from Cape Breton (1954)
- EKL-24 Ed McCurdy Sin Songs Pro & Con (1954)
- EKL-25 Jean Ritchie Kentucky Mountain Songs (1954)
- EKL-26 Susan Reed Old Airs from England, Scotland and Ireland (1954)
- EKL-27 Clarence Cooper Goin' Down The Road (1954)
- EKL-28 Jim Fawcett Flamenco Guitar Solos (1954)
- EKL-29 Gordon Heath and Lee Payant Encores from the Abbaye (1955)
- EKL-30 Jean Léon Destiné & Ensemble Festival in Haiti (1955)
- EKL-31 Yves Tessier, tenor ; Mildred Clary, lute Troubadour Songs from the 12th and 13th Centuries (1955)
- EKL-32 Theodore Bikel Folk Songs of Israel (1955)
"2nd pressing" on Label L3 white/green- EKL-33 no issue
- EKL-34 no issue
- EKL-35 [test recording] Elektra System Playback Calibration (1956)
"1st pressing" on Label L2 white/red and white/blue
"2nd pressing" on Label L3 white/red and white/blue- EKL-701 Josh White The Story of John Henry / Blues and Ballads (2-LP) (1954)
- FMS-1 various artists/sampler Folk Music Sampler (1954)
12-inch: EKL = mono EKS = stereo
Label Type L2: white/print, "script" Σlektra tilted : print = red, green, blue or brown; deep groove label
- EKL-102 Josh White Josh at Midnight (1956)
- EKL-103 Los Gitanillos de Cadiz Songs and Dances of Andalucia (1956)
Cover I: Color sketch of dancers
Cover II: Color photo of dancers- EKL-104 Suzanne Robert Songs of Montmartre (1956)
- EKL-105 Theodore Bikel An Actor's Holiday (1956)
Cover I: "Vespa cover" with background map of Europe
Cover II: Portrait photo of Bikel- EKL-106 Stephen Kovács The Unabashed Virtuoso (1956)
- EKL-107 Cynthia Gooding Faithful Lovers and Other Phenomena (1956)
- EKL-108 Ed McCurdy Blood, Booze 'n' Bones (1956)
- EKL-109 Theodore Bikel and Cynthia Gooding A Young Man And A Maid Folk Songs of Many Lands (1956)
Cover I: Sketch of man and woman embracing- EKL-110 Ed McCurdy When Dalliance Was In Flower and Maidens Lost Their Heads (1956)
Cover I: Line drawing- EKL-111 Stephen Kovács Tiger On The Keys (1956)
Label Type L3: white/print, "atom" design : print = red, green, blue or brown, with a central horizontal line in the print color; deep groove label.
The print is black for "Promotion Copy" labels (blue for EKL-180). Promo copies are known to exist for EKL-138, EKL-167 and EKL-180.
- EKL-109 Theodore Bikel and Cynthia Gooding A Young Man And A Maid Folk Songs of Many Lands (1956)
Cover II: Nude photo- EKL-110 Ed McCurdy When Dalliance Was In Flower and Maidens Lost Their Heads (1956)
Cover II: Photo- EKL-112 Ed McCurdy Songs of the Old West (1956)
- EKL-113 Norene Tate Tenderly sung by Norene Tate (1958)
- EKL-114 Josh White Josh ~ Ballads and Blues (1957)
- EKL-115 New York Jazz Quartet New York Jazz Quartet (1957)
Cover I: White background, with individual photos of players- EKL-116 Susan Reed Susan Reed (1957)
- EKL-117 Sabicas The Greatest Flamenco Guitarist (1957)
Cover I: monochrome portrait of Sabicas with 'blurred hands'- EKL-118 New York Jazz Quartet Goes Native (1957)
- EKL-119 Gordon Heath & Lee Payant Evening at L'Abbaye (1957)
= 12" reissue of EKL-19 and EKL-29- EKL-120 The Jazz Messengers A Midnight Session (1957)
- EKL-121 Sabicas The Greatest Flamenco Guitarist Volume II (1957)
Cover I: monochrome portrait of Sabicas with 'blurred hands'- EKL-122 Oscar Brand and Jean Ritchie / Tom Paley Courtin's A Pleasure (1957)
= 12" reissue of EKL-22 and EKL-12- EKL-123 Josh White 25th Anniversary Album (1957)
=12" reissue of EKL-701- EKL-124 Ed McCurdy Sin Songs Pro & Con (1957)
=12" reissue of EKL-24- EKL-125 Jean Ritchie Jean Ritchie (1957)
= 12" reissue of EKL-2 and EKL-25- EKL-126 Susan Reed Old Airs From Ireland, Scotland and England (1957)
= 12" reissue of EKL-26- EKL-127 Lord Foodoos Calypso! (1957)
Cover I: color photo of drums
Cover II: drawing of dancer; retitled "Mr. Calypso"- EKL-128 Cynthia Gooding Spanish and Mexican Folk Songs (1957)
= 12" reissue of EKL-6 and EKL-8- EKL-129 Oscar Brand/Ed McCurdy/Jack Elliott/Dick Wilder Badmen/Pirate Songs (1957)
= 12" reissue of EKL-16 and EKL-18- EKL-130 Jean Léon Destiné & ensemble (1957)
= 12" reissue of EKL-30
- EKL-131 Cynthia Gooding Queen Of Hearts (1957)
= 12" reissue of EKL-11- EKL-132 Theodore Bikel Songs of Israel (1957)
= 12" reissue of EKL-32- EKL-133 Shep Ginandes Shep Ginandes Sings Folk Songs (1957)
- EKL-134 Mat Mathews, Julius Watkins, David Amram et al 4 French Horns Plus Rhythm (1957)
- EKL-135 Glenn Yarbrough Here We Go Baby (1957)
Cover I: color photo of amusement park ride
Cover II: monochrome portrait of Yarbrough; retitled "Glenn Yarbrough"- EKL-136 Teddy Charles Vibe-rant (1957)
- EKL-137 Tom Kines Of Maids and Mistresses (1957)
- EKL-138 The Delta Rhythm Boys The Delta Rhythm Boys (1957)
- EKL-139 Original Trinidad Steel Band Original Trinidad Steel Band (1957)
- EKL-140 Ed McCurdy When Dalliance Was In Flower and Maidens Lost Their Heads Volume 2 (1957)
Cover I: blue background
Cover II: black background
- EKL-141 Theodore Bikel Theodore Bikel Sings Jewish Folk Songs (1958)
- EKL-142 The Shanty Boys The Shanty Boys (1958)
- EKL-143 Marilyn Child & Glenn Yarbrough Marilyn Child & Glenn Yarbrough Sing Folk Songs (1958)
- EKL-144 Gene & Francesca Gene & Francesca (1958)
- EKL-145 Sabicas The Greatest Flamenco Guitarist Volume III (1958)
- EKL-146 The Oranim Zabar Israeli Troupe Shalom! (1958)
- EKL-147 Paul Clayton Unholy Matrimony (1958)
- EKL-148 Sandy Paton Sandy Paton (1958)
- EKL-149 Sabicas with Los Trianeros Festival Gitana (1958)
- EKL-150 Theodore Bikel Songs Of A Russian Gypsy (1958)
Cover I: blond girl is on the left
Cover II: blond girl is on the right
- EKL-151 various artists Our Singing Heritage, Vol I (1958)
- EKL-152 various artists Our Singing Heritage, Vol II (1958)
(Release is doubtful)- EKL-153 Frank Warner Our Singing Heritage, Vol III (1958)
- EKL-154 Erik Darling Erik Darling (1958)
- EKL-155 Paul Clayton Bobby Burns' Merry Muses (1958)
- EKL-156 The Oranim Zabar Israeli Troupe On the Road to Elath (1958)
- EKL-157 The Folk Singers Run Come Hear (1958)
- EKL-158 Josh White Chain Gang Songs (1958)
- EKL-159 Cuadro Flamenco Cuadro Flamenco (1959)
- EKL-160 Ed McCurdy When Dalliance Was in Flower Vol III (1959)
- EKL-161 Theodore Bikel & Geula Gill Folk Songs From Just About Everywhere (1959)
Cover I: black background
Cover II: white background- EKL-162 The Randolph Singers The Catch Club (1959)
= mono re-release of EKL-204-X- EKL-163 Susan Reed Songs for the Wee Folk (1959)
- EKL-164 Gene and Francesca Love and War Between the Sexes (1959)
- EKL-165 Theodore Bikel Theodore Bikel Sings More Jewish Folk Songs (1959)
- EKL-166 The Oranim Zabar Israeli Troupe Around The Campfire (1959)
- EKL-167 Saka Acquaye & His African Ensemble Gold Coast Saturday Night (1959)
= Reissued as Crestview CRV-805 Drum Fever- EKL-168 Oscar Brand with The Roger Wilco Four The Wild Blue Yonder (1959)
- EKL-169 Oscar Brand Every Inch A Sailor (1959)
- EKL-170 Ed McCurdy Son of Dalliance (1959)
- EKL-171 Hillel & Aviva A Concert with Hillel & Aviva (1959)
- EKL-172 Jean Shepherd Jean Shepherd & other foibles (1959)
- EKL-173 Ron & Nama Donkey Debka! (1959)
- EKL-174 Oscar Brand Tell It to the Marines (1959)
Cover I: Drill instructor wears a service cap
Cover I: Drill instructor wears a drill instructor's cap (brimmed)- EKL-175 Theodore Bikel Bravo Bikel! (1959)
- EKL-176 Shel Silverstein And The Red Onions Hairy Jazz (1959)
= Reissued as Crestview CRV-804 Shel Silverstein's Stag Party - The Wildest Bash On Record- EKL-177 Bob Gibson Ski Songs (1959)
- EKL-178 Oscar Brand Out of the Blue (1959)
- EKL-179 Anita Ellis The World in My Arms (1959)
- EKL-180 The Limeliters The Limeliters (1959)
- EKL-181 Will Holt The Exciting Artistry of Will Holt (1959)
- EKL-182 Seafarer's Chorus We Sing of the Sea (1960)
- EKL-183 Oscar Brand & The Sea Wolves Boating Songs & All That Bilge (1960)
- EKL-184 Joyce Grenfell Presenting Joyce Grenfell (1960)
Label Type L5: gray, with guitar player logo in red circle and yellow radiating lines; 1960 copyright date in rimprint
- EKL-115 New York Jazz Ensemble Adam's Theme (1960)
Cover II: Retitled, with blurred color photo of of nude 'Eve' and serpent- EKL-185 Theodore Bikel Songs Of A Russian Gypsy (1960)
- EKL-186 Oranim Zabar Israeli Troupe Hora (1960)
- EKL-187 Ron & Nama Sabra - The Heart of Young Israel (1960)
- EKL-188 Oscar Brand Sports Car Songs (1960)
- EKL-189 Oscar Brand/Theodore Bikel/Will Holt/ Newport Folk Festival 1960 (1960)
- EKL-190 Zacherley Spook Along with Zacherley (1960)
= Reissued: Crestview CRV-803 Zacherle's Monster Gallery- EKL-191 The MacPherson Singers & Dancers of Scotland Caledonia! (1960)
= Reissued: Nonesuch International Series H 2006- EKL-192 Casey Anderson Goin' Places (1960)
- EKL-193 Josh White Spirituals & Blues (1960)
- EKL-194 Sasha Polinoff Balalaika! (1960)
- EKL-195 Jean Shepherd Will Failure Spoil Jean Shepherd? (1960)
- EKL-196 Ben & Adam The Dudaim (1960)
- EKL-197 Bob Gibson Yes I See (1960)
- EKL-198 Oscar Brand Up In The Air (1960)
- EKL-199 Peter Myers & Ronnie Cass Go to Blazes! (1960)
- EKL-200 Theodore Bikel From Bondage to Freedom (1960)
- EKL-201 Oranim Zabar Israeli Troupe Town Hall Concert (1960)
- EKL-202 Los Chiriguanos The Sound of Paraguay (1960)
- EKL-203 Josh White The House I Live In (1960)
- EKL-204 Oscar Brand For Doctors Only (1960)