Changes

*[http://www.archive.org/stream/cihm_09270#page/n11/mode/2up ''The History of the Dress of the Royal Regiment of Artillery, 1625-1897''] compiled and illustrated by R.J. Macdonald 1899. Archive.org. Originally some of the prints were in colour, however, the online book is in black and white. Also available [https://gallica.bnf.fr/ark:/12148/btv1b8427417f/f11.item gallica.bnf.fr version] with high quality images, see the [https://gallica.bnf.fr/ark:/12148/btv1b8427417f/f13.planchecontact thumbnails] but book reader is slow - download possible. This book is also available [http://search.ancestry.com.au/search/db.aspx?dbid=33265 on the pay site Ancestry], (Worldwide subscription required), where it is possible to browse the pages.

*[http://cgsc.contentdm.oclc.org/cdm/singleitem/collection/p15040coll1/id/490/rec/8 ''Siege Artillery Drill-1900''] by Great Britain War Office. Combined Arms Research Library (CARL) Digital Library.

*[https://archive.org/details/HandbookOfThe4InchGunMarksVAndV ''Handbook of the 4-inch B. L. Gun, Marks V and VI. (Land Service)''] by Great Britain. War Office 1904 Archive.org. With Plates at the rear of the book.

*''Modern Guns and Gunnery 1907. A Practical Manual for Officers of the Horse, Field and Mountain Artillery'' by Lt.-Colonel H A Bethell Royal Field Artillery [http://hdl.handle.net/2027/chi.087227502?urlappend=%3Bseq=7 Hathi Trust version], [http://issuu.com/carvil/docs/modern_guns___gunnery__bethell_1907_ issuu.com version]. [http://hdl.handle.net/2027/uc1.$b74047?urlappend=%3Bseq=7 1910 version: Entirely rewritten] Hathi Trust Digital Library.