Sozialistische Monatshefte.
Berlin : Sozialistische monatshefte G.m.b.H.
Issues for 1897-1912 (3.-18. jahrg.) also called 1.-16. jahrg.; 22.-39. jahrg. also called 44.-77. bd.
Jahrgang 17-18 omitted in numbering, 1916-1917, 1922 called 44-49, 58-59.
No more published?
Socialism
Sozialistische akademiker