Gladbach, Sekretariat Sozialer Studentenarbeit s.d. [+/- 1915-1920] 24pp., 20cm., in the series "Die Flamen" vol.2, stamp, few foxing, [printed in Gothic German], B72994
Gladbach, Sekretariat Sozialer Studentenarbeit s.d. [+/- 1915-1920] 23pp., 20cm., in the series "Die Flamen" vol.1, stamp, few foxing, [printed in Gothic German], B72995