Internacio de Socialistaj Esperantistoj
La statutoj de I.S.E. / Internacio de Socialistaj Esperantistoj. - [1933]. - S. 3-4
In: La Socialisto 8.1933,8
ISE-Kalendaro / Internacio de Socialistaj Esperantistoj. - Wien. - 64 S.
1934 (1933)
Socialista Esperanto-Servo. - Wien
1.1933(?) - 2.1934(?)
La Socialisto : oficiala monata organo de la Internacio de Socialistaj Esperantistoj (ISE). - Rotterdam
8.1933 - 13.1938
[La Socialisto was published by the Austrian organization beginning in 1926 but became the organ of the ISE with vol. 8.1933,5. It was published monthly until February 1934 and after that irregularly in La Rochelle until December 1936, from May 1937 in Rotterdam to the end of 1938. Editors were Ferdinand Seidel till 1933,12, Johann Weinhengst for no. 1934,1-2, F. Chamarre 1934-1936 and Jan van der Landen 1937-1938. The Hodler-Library (Esperanto-Weltbund in Rotterdam) may hold further numbers.]
FES partly on microfilm, incomplete IISG 1936, 1938; incomplete ONB 1933-34, 1937-38; incomplete