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

Germany 38 cm/45 (14.96) SK L/45 - NavWeaps

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

Germany 20.3 cm/60 (8) SK C/34 - NavWeaps

Speculation] Performance of the Royal Navy's 381mm Mark 1 Gun and forthcoming RN BBs : r/WorldOfWarships

Definitions and Information about Naval Guns - Part 1

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

bismarck class battleships

Germany 12.7 cm/45 (5) SK C/34 - NavWeaps

The Wells Brothers' Battleship Index: Debunking the Later H-class Battleships

bismarck class battleships

In comparison to Gneisenau, why didn't the Kreigsmarine plan on upgrading the main guns on Scharnhorst to 15 inches? - Quora

In comparison to Gneisenau, why didn't the Kreigsmarine plan on upgrading the main guns on Scharnhorst to 15 inches? - Quora