The photo-guide
W. Knapp
by W. Kross ; authorised English translation by P.C. Smethurst
W. Knapp 1936 The photo-guide 4
所蔵館1館
by Wolf H. Döring ; authorised English translation by P.C. Smethurst
W. Knapp 1936 The photo-guide 3
W. Knapp 1936 The photo-guide 2
by Alex Strasser ; authorised English translation by P. C. Smethurst
W. Knapp 1936 The photo-guide 1