Anonymous2011-08-262019-05-282011-08-262019-05-281929ÜAMF 171:60http://hdl.handle.net/10062/18411etphotographsslidesSchmidt, Bernhardoptikudastronoomidslaididfotodportreefotodportreed1920-ndad20. saj. 1. poolSchmidt, Bernhard. RindportreeImage