Ledwoch Janusz. Hummel

15cm sFH 18/1 Fgst Gschw III/IV Sd.Kfz. 165 Hummel. — Warszawa: Militaria, 2009. — 84 s. — (Militaria 329 : Tank Power vol. LXXXVIII). — ISBN: 9788372193292.Polish text with English captions to all photos/illustrations.The monograph is dedicated to the history of German self-propelled guns "Hummel" during the World War II. 1:35 scale plans. 18 colour profiles. Colour 4-view. 38 black and white photos, 39 colour photos. Polish text with English captions to all photos and illustrations.