This is the most complete list we could assemble from catalog and reference sources.

No current print edition appears to be in distribution in English, Spanish, Italian, or Portuguese. In French, print is also out of circulation; the only legitimate listing we can find is an Éditions Textes Gais e-book. Availability can vary by region.

How to read this: Year — Language/Country — Title — Publisher/series — Notes (translator, format, print run, size).

1944 (printed 1943) — FR — Les amitiés particulières — Jean Vigneau (Marseille). 382 pp; 24×19 cm; first/original large-format issue; limited 1,999 numbered copies. (Many copies dated 1944.) [1][2]

1946 — FR — Les amitiés particulières — Jean Vigneau. “85e édition”; 444 pp; 18×12 cm. [1]

1946 — FR — Les amitiés particulières — J. Vigneau. 2 vols; frontispieces: 2 original lithographs by Valentine Hugo; 28×19 cm (≈990 copies). [1][2]

1949 — IT — Le amicizie particolari — Einaudi (Torino). Trans. G. Natoli; 388 pp. [1]

1950 — EN (US) — Special Friendships — Vanguard Press (New York). Trans. Felix Giovanelli; 392 pp. [1]

1950 — DE — Heimliche Freundschaften — Stahlberg (Karlsruhe). Trans. Günther Vulpius; 476 pp. (First German edition.) [2]

1951 — FR — Les amitiés particulières — Flammarion. 444 pp; first Flammarion printing after acquisition of the Vigneau list; marked “édition définitive” (new ed. noted 1964). [1][2]

1953 — FR — Les amitiés particulières — Flammarion. 2 vols; 24 lithographs by Gaston Goor; 29×20 cm; limited 740 copies. [1][2]

1956 — FR — Les amitiés particulières — Club des éditeurs (Paris). 352 pp; ill., portrait; hardbound; limited 7,176 copies. [1]

1957 — ES (Argentina) — Las amistades particulares — Ediciones Tirso (Buenos Aires). Trans. Abelardo Arias & Renato Pellegrini; c. 317 pp; 20 cm; paperback with flaps. (Initially banned in Buenos Aires; reprinted Sept 1957; later pocket ed.; a 1965 reprint is documented.) [3][4]

1958 — EN (UK) — Special Friendships — Secker & Warburg (London). Trans. Edward Hyams; 352 pp (hb). [2][6]

1958 — FR — Les amitiés particulières — J’ai lu (nos. 17–18). 448 pp; mass-market; reprints 1964, 1968, 1973, 1999. [1][5]

1964 (Dec) — EN — Special Friendships — Panther (pb). 256 pp. [2]

1965 — PT (Portugal) — As amizades particulares — Ulisseia (Lisboa). Trans. Liberto Cruz; 371 pp; 19 cm. [7]

1966 — NL — Verholen vriendschap — Bruna (Utrecht). 372 pp. [1]

1968 — FR — Les amitiés particulières — Cercle du bibliophile (Levallois-Perret). 399 pp; frontispiece by Daniel Briffaud; “Le Club des grands prix littéraires”. [1]

1969 — HU — Különleges barátságok — Magvető (Budapest). Trans. László Szenczei; 446 pp. [1]

1973 — FR — Les amitiés particulières — Le Livre de Poche no. 3726 (Librairie Générale Française). 448 pp; note: series no. 3726; some sources cite pocket reissues beginning in 1971; reprints 1975 and 1978. [1][2]

1973 — FR — Les amitiés particulières — Édito-Service (Genève) / diffusion Cercle du bibliophile. 397 pp; portrait; hardbound. [1]

1975 — FR — Les amitiés particulières — Éditions de Saint-Clair (Neuilly); diffusion F. Beauval. 352 pp + [6] plates; illustrated; “Collection des grands romans contemporains”. [1]

1975 — FR — Les amitiés particulières — Le Livre de Paris (Montrouge) / Club pour vous Hachette. 442 pp; 19 cm; ISBN 2-245-00320-9. [1]

1979 — IT — Le amicizie particolari — Einaudi (Nuovi Coralli). 346 pp; ISBN 8806491970. [1]

1983 — DE — Heimliche Freundschaften — Knaus (Hamburg). 349 pp. [2]

1986 — FR — Les amitiés particulières — Flammarion. 442 pp. [1]

1992 (Jan 8) — FR — Les amitiés particulières — Flammarion. 444 pp; ISBN 2-08-060173-3. [1]

1992 — FR — Les amitiés particulières — Flammarion. 128 pp; ISBN 2-08-064968-X. [1]

2000 — ES (Spain) — Las amistades particulares — Egales / Otras Voces (Barcelona). 398 pp; 22×14 cm; ISBN 84-95346-09-5. [1]

2000 — EN (US) — Secret Friendships — West-Art Publishers (Clarence, NY). 264 pp; drawings by Hugo Haig-Thomas; ISBN 0-914301-23-3. [1]

2004 — DE — Heimliche Freundschaften — Bruno Gmünder (Berlin). 318 S.; 18 cm (Bruno-Gmünder-Taschenbuch 37); ISBN 3-86187-837-2. [1]

2004 (Aug) — FR — Les amitiés particulières — Flammarion. ISBN 2-08-060172-5. [1]

2005 — FR — Les amitiés particulières — Éditions Textes Gais (Paris). 390 pp; illustrated; color cover & jacket; ISBN 2-914679-16-5. (Includes a new preface.) [1]