The following is a list of references that I have found useful in this venture:
Books
My Knitting Book by Miss Lambert (published in London by John Murray, Albemarle Street, 1843)
The Hand-Book of Needlework by Miss Lambert (published in 1851 by Willis P. Hazard, 178 Chesnut St., Philadelphia)
The History of Knitting Pin Gauges by Sheila Williams (2006, Melrose Press).
The Lady`s Assistant in Knitting, Netting and Crochet Work, by Mrs. Gaugain (I.G.Gaugain, and Ackermann & Co. Strand, London, 1842)
The New Guide to Knitting and Crochet by Mary Jane Cooper (Marine Library, Marine Parade Hastings and Parry, Blenkarn and Co., London, 1847)
The Comprehensive Knitting-Book by Esther Copely (London, William Tegg and CO., Cheapside, 1849)
Online Resources
Richard Rutt Collection, University of Birmingham, England
Fashion Plate Collection, University of Washington, USA
Everyone His Own Knitting Needle, Colleen Formby
Commend Me To A Knitting Wife, Colleen Formby
Frances Lambert, TRC Needles
Please note that this is far from a comprehensive list of references relating to Victorian era knitting. If you know of any other books that I should take a look at, please leave a comment below and I’ll take a look!