History! by Zhukov - The Military History Emporium — Infantry of the Austro- Hungarian Military, Summer,...
The Illustrated Encyclopedia of Uniforms... by North, Jonathan
Amazon.com: The Austro-Hungarian Forces in World War I (1): 1914–16 (Men-at-Arms): 9781841765945: Jung, Peter, Pavlovic, Darko: Books
The Austro-Hungarian Forces in World War I... by Jung, Peter
Austro-Hungarian soldier, Italian Front 1918 | NZHistory, New Zealand history online
Austro-Hungarian Army – Black Army Modells
WW1 - Austro-Hungarian infantry by AndreaSilva60 on DeviantArt
Uniforms of representatives of different religions in WW1 in Austro- Hungarian army on different fronts (2 priests 1 rabbi and 1 imam). Description in high left corner : r/austriahungary