same book (authored by another relative, G. Kerkau) File:Ornate billiard table ca. 1920.png, another shot of Paul Kerkau from the same source English...
book (authored by another relative, G. Kerkau) File:Elongated octagon billiard table ca. 1920.png, another shot of Paul Kerkau from the same source English...
same book (authored by another relative, G. Kerkau) File:Elongated octagon billiard table ca. 1920.png, another shot of Paul Kerkau from the same source...