His Majesty's Stationary Office (HMSO) Catalogue - Glossary Item 'Lieutenant Commander'

Name	Lieutenant Commander
Description	A commissioned officer rank in the navy that is superior to a lieutenant and subordinate to a commander.

Name	The Battle of the Atlantic, The Official Account of the Fight Against The U-Boats, 1939 - 1945
Category	Action at Sea
Issued By	Central Office Of Information
Issued For	none
Published	Oct/1946
iTunes	Available

Name	The Mediterranean Fleet, Greece to Tripoli. The Admiralty Account of Naval Operations: April 1941 to January 1943
Category	Action at Sea
Issued By	Ministry Of Information
Issued For	Admiralty
Published	Sep/1944
iTunes	Available