Germany 28 cm/52 (11) SK C/28 - NavWeaps

Germany 38 cm (14.96) SK C/34 - NavWeaps

Netherlands 28 cm/54.5 (11) - NavWeaps

Germany 28 cm/50 (11) SK L/50 - NavWeaps

Germany 28 cm/52 (11) SK C/28 - NavWeaps

Russian and German large-caliber naval guns of the First World War

30.5 cm SK L/50 gun - Wikipedia

28-cm-Schnelladekanone C/28 – Wikipedia

Germany 28 cm/50 (11) SK L/50 - NavWeaps

Scharnhorst class battleships (1936)

Germany 28 cm/52 (11) SK C/28 - NavWeaps

Definitions and Information about Naval Guns - NavWeaps

Scharnhorst-class battleship - Wikipedia

The most powerful naval guns of World War II

KRIEGSMARINE CENTRAL - KM Ship Plans/Discussion, Page 11