C.R.O.M. (Edición especial para conmemorar el 1⁰ de mayo de 1886)
Published: 1923
Place of publication: Mexico
Language: spa
Number of pages: 64
Subjects: Socialism
Notes: Caption title.

On cover: "C.R.O.M. 1⁰. de mayo 1923. Spies, Parsons, Fielden, Engel, Lingg, Fischer, Schwab, Neebe."