The Official History of the Guard, by Colonel Sir Reginald Hennell, 

CVO, DSO, OBE, published in 1904 (amended 1958 and 1991)

The Yeoman of the Guard 1485-1885 by Thomas Preston - 1886

The Yeomen of the Guard 1485-1985 by Julian Paget - 1984

The Yeomen of the Guard 1823-1903 by Ian McInnes

The Yeomen Of The Guard And The Early Tudors: The Formation of a Royal Bodyguard (by Anita Hewerdine)

Extended Essay written between 1973-1975 by Anita R Hewerdine

The Kings Body Guard - thesis by Dr Anita Hewerdine 

A New Dictionary of Heraldry (by Stephen Friar)

A Pageant of History (by William Collins & Sons)

Battles and Battle Fields (by David Scott Daniell)

BBC History

Bess of Hardwick by Mary S Lovell

Bosworth Field & The War of the Roses (by A.L. Rowes)

British Arms of Dominion

British History On-Line

British Orders and Decorations (by Peter Duckers)

Burkes Peerage

Ceremonial to be Observed - Opening of Parliament

Chambers Biographical Dictionary (edited by Magnus Magnusson)

Collins English Dictionary 3rd Edition

Colonel Sir RG Hennell DSO (original notes and letters)

Debrett's People of Today 

DODs 2000, 2003 and 2005

English Heritage (National Monuments Records)

Her Majesty's Tower of London (by Col E.H. Carket-James)

Hereditary Titles (Michael Moore)

Investiture at Buckingham Palace

John Player's Coronation Series of Cigarette Cards - King George VI

Jubilee - A Celebration of the Queen's Silver Jubilee 1952-1977

Most Noble Order of the Garter - Procession and Service of Thanksgiving

Old England. A Pictorial Museum Vol I, II (by Charles Knight)

Outlines of English History (by George Carter MA)

Parade for The Golden Jubilee - Inspection by HM The Queen

Pitman's Public Man's Guide (by Sir Isaac Pitman)

Portraits of Tudor Nobility

Stories of the Coronations (by Euphan & Klaxon)

The Book of Dignities (by Joseph Timothy Haydn)

The Book of The Ranks and Dignities of British Society (by James Lamb)

The Companion of British Biographies (All Volumes)

The Court of St James's (by E.S. Turner)

The Earlier Tudors 1485-1558 (by J.D. Mackie)

The Gun Powder Plot Society (David Herber)

The Hutchinson Encyclopaedia 8th Edition

The Kings and Queens of England and Scotland (Plantagenet Somerset Fry)

The Oxford English Dictionary 2nd Edition

The Society of Genealogists (especially - Mr Norman Meadows)

The Tower 1078-1978 (by Derek Wilson)

The Tower of London - The Official Guide Book

Tudor History - Battles and Rebellions

Victoria - Queen of a Changing Land (by Richard Poulton)

Who's Who (all volumes)

Who Was Who 1897-1970 (all volumes)

The Island Race - (by Winston S. Churchill)