This "electronic postcard collection" is the definitive listing of postcards from the Panama-California Exposition. Over 2000 postcard images are contained here. This collection will never be complete - in fact, there is no way to know how many cards exist. Real photo postcards continue to surface frequently. Even small collections sometimes include some cards not listed here. Your postcard image scans or photocopies are most welcome and will be included in website updates. Contact: Webmaster
| Type | Listing of postcards by manufacturer |
| GM10 | Adler (green allegorical drawings) |
| GM15 | Adventurers, The |
| GM20 | Aerial Photo Co. |
| GM30 | Arcade View (groundbreaking real photos: subtitles in light box) |
| GM32 | Arcade View (groundbreaking real photos: hand-printed subtitles) |
| GM33 | Artopho (groundbreaking real photos) |
| GM35 | Averrett aerial view |
| GM38 | Beardsley Electric Co. |
| GM40 | Benham proposed site views (also Eno & Matteson) |
| GM50 | Book Lovers' Shop (black/white, gray back, Expo logo) |
| GM60 | Book Lovers' Shop (black/white, gray back, no logo) |
| GM70 | Book Lovers' Shop (hand colored, gray back, no logo) |
| GM80 | Book Lovers' Shop (sepia front, brown/yellow back, Expo logo) |
| GM90 | Book Lovers' Shop (hand colored, brown back, Expo logo) |
| GM100 | Book Lovers' Shop (sepia front, brown back, no logo) |
| GM105 | Book Lovers' Shop (hand colored, brown back, no logo) |
| GM110 | Book Lovers' Shop - The Van Albert Prints |
| GM115 | Borden's Condensed Milk Co. |
| GM120 | California Sandwich Syndicate |
| GM130 | Caloni & Co - white statuary |
| GM132 | Christiance |
| GM135 | Collins - "Meet Me in San Diego" individual photos |
| GM137 | Covert, Geo. L. - "New York to San Diego, Cal." tricycle with mule |
| GM140 | Detroit (Phostint) |
| GM145 | Empress Hotel |
| GM150 | Eno (brown/tan, by Albertype) |
| GM160 | Eno (hand colored, by Albertype) |
| GM170 | Eno 4400 series, green back |
| GM180 | Eno 4400 series, brown back |
| GM190 | Eno 5400 series |
| GM200 | Eno (white border) |
| GM210 | Eno & Matteson posters (3152-3158) |
| GM215 | Eno & Matteson "series of 300" |
| GM220 | Eno & Matteson poster |
| GM225 | Eno & Matteson 3475 "Public Library Showing PCE Grounds in Distance" |
| GM230 | Eno & Matteson 4400 series |
| GM250 | Fergus, Leah Coleman |
| GM260 | Fitch real photos |
| GM265 | General Electric |
| GM268 | Hadden Automatic Sprinkler System |
| GM270 | Harvey, Fred - by Albertype |
| GM275 | Hugo, Leopold - real photos |
| GM277 | Hyers Barber Shop / Marion Vogdes |
| GM280 | International Harvester |
| GM290 | International Harvester |
| GM300 | Japanese Garden |
| GM305 | Jewett Hotel |
| GM310 | Kaufman |
| GM315 | Kearney Photo / McLeod poem (post-expo, 1918) |
| GM320 | K. & T. (felt pennant: "Have Longed Many Longings") |
| GM325 | Kirkland Apartment Hotel |
| GM328 | La Vista Apartments |
| GM330 | Los Angeles Chamber of Commerce |
| GM333 | Lubin Hotel |
| GM335 | Metropolitan Life Insurance Co (Welfare Exhibit) |
| GM340 | Mitchell poster cards (vertical with logo) |
| GM341 | Mitchell groundbreaking - "Religious Ceremonies" (1824) |
| GM343 | National Cash Register Co. |
| GM345 | Newman Christmas poster cards |
| GM347 | Nielen real photo |
| GM350 | Oakes real photos (no numbers) |
| GM360 | Oakes real photos (numbered on front) |
| GM361 | Oakes real photos (hand-colored) |
| GM362 | Oakes real photos (visitors in electriquettes) |
| GM370 | Ohio Week Committee |
| GM375 | Old Mission Realty / Butt-in-Bay magnified... |
| GM380 | Oregon City Woolen Mills |
| GM385 | Pacific Limited - Southern Pacific RR - Union Pacific |
| GM390 | Painted Desert by Harvey (black/white) |
| GM400 | Painted Desert by Harvey (hand colored) |
| GM410 | Painted Desert by Harvey (colored with white border) |
| GM420 | Painted Desert - real photos |
| GM425 | Panama-California Exposition Gold Medal Awards |
| GM430 | Panama-California Exposition, Officials, Rice & Sons |
| GM440 | Panama-California Exposition, 1915 - All the Year - 1915...Five Months Before the Opening" |
| GM450 | Panama-California Exposition, 1915 - All the Year - 1915 |
| GM455 | Panama-California Exposition Pass |
| GM460 | Panama-California Exposition, "Official View" |
| GM465 | Panama-California Exposition, "A Souvenir of the PCE" ("are you God?") |
| GM470 | Panama-California Exposition - real photos |
| GM480 | Panama-California Exposition - real photos |
| GM484 | Passmore, Lee |
| GM485 | Photoprint Co. - real photos of groundbreaking celebrations |
| GM490 | Poole Brothers |
| GM493 | Princess Tsianina Redfeather |
| GM494 | The Progressive Church (P.C.E. Booster Song) |
| GM495 | Renfro-Haven Co. |
| GM497 | Richmond Hotel |
| GM500 | Rosslyn Hotel by Ames Bros |
| GM505 | Rudd map of the Americas, Panama Canal statistics |
| GM510 | Sandford Hotel by Eno & Matteson |
| GM513 | San Diego County Chamber of Commerce - trifold mailer |
| GM515 | San Diego County - Grossman |
| GM517 | San Diego Exposition Bonds |
| GM518 | San Diego Hotel |
| GM520 | Santa Fe Chamber of Commerce |
| GM530 | Schellenberg - visitors at the Exposition |
| GM531 | Schellenberg - white statuary |
| GM532 | Schellenberg - Afana "mother of pearl" carvings |
| GM540 | Seagrave Fire Apparatus (b/w) |
| GM550 | Seagrave Fire Apparatus (color) |
| GM560 | Southern Pacific RR |
| GM570 | Southern Pacific RR (jumbo size card) |
| GM575 | Southern Trust and Savings Bank (bifold mailer) |
| GM580 | State Societies of San Diego |
| GM585 | Stayton |
| GM590 | Tatum, Queen of the Pacific |
| GM595 | Taylor (Harold) Studios |
| GM597 | Mme. Tromben sings on New Years Night |
| GM600 | Union Oil |
| GM610 | Union Pacific RR |
| GM630 | Washington State |
| GM631 | Washington The Evergreen State (PPIE and PCE) |
| GM633 | R.P Whigham Studios (Elizabeth the Living Doll) |
| GM635 | Winsor, A. G. folder |
| GM637 | Wooten |
| GM640 | Wright, Allen H, photographer |
| GM650 | Anonymous Real Photos, Ground-breaking ceremonies, 1911 (mixed) |
| GM660 | Anonymous Real Photos - mixed, uncategorized |
| GM670 | Anonymous Real Photos, titles in upright letters (in white rectangle) |
| GM680 | Anonymous Real Photos, titles in upright letters (wide border) |
| GM690 | Anonymous Real Photos, mixed group (on Noko paper) |
| GM691 | Anonymous Real Photos on Noko paper; white border, neat upright block titles & subtitles |
| GM700 | Anonymous Real Photos, white border, "San Diego Exposition 1915" or "San Diego 1915"; titles in tiny artistic upright upper and lower case letters |
| GM710 | Anonymous Real Photos, white border, "San Diego Exposition" in upright sans-serif letters |
| GM720 | Anonymous Real Photos, white border, "Panama-California International Exposition - San Diego 1915 (or 1916)" in upright upper case letters with larger caps |
| GM730 | Anonymous Real Photos, white border, "San Diego Exposition 1915" or "San Diego 1915" in forward sloping letters (numbered 2--) |
| GM735 | Anonymous Real Photos, no border, "San Diego 1915" in forward sloping letters |
| GM740 | Anonymous Real Photos, "San Diego Exposition 1915" in forward sloping letters (one white border at bottom or side) |
| GM750 | Anonymous Real Photos, "San Diego Exposition" in backward sloping letters, most with numbers in 200 or 500 series |
| GM760 | Anonymous Real Photos, printed in blue with wide border |
| GM770 | Anonymous Real Photos, printed on tan paper with wide border |
| GM780 | Anonymous Real Photos, with M.A. on front |
| GM790 | Anonymous Real Photos, titles in vertical black box on left front |
| GM800 | Anonymous Real Photos, sepia with white border |
| GM810 | Anonymous Real Photos, hand-printed sans-serif block titles; no border |
| GM820 | Anonymous Real Photos, during construction, white border - one wide; Velox paper |
| GM830 | Anonymous Real Photos, no border, no titles or subtitles; Azo paper |
| GM840 | Anonymous narrow hand-colored card; Albertype style, no borders, no titles or subtitles |
| GM850 | Anonymous Real Photos pasted on card with very wide borders, handwritten titles and 89- number |
| GM860 | Anonymous Real Photos with hand-printed titles and crooked letters "l", "d" and "t", some with numbers |
| GM870 | Anonymous Real Photos with hand-printed titles numbered 4-- |