Much of the information for the history of the sweet factory has been drawn from the following sources :
"I worked for Barratt's"
Small booklet edited by Doreen Barratt, published in 1970.
Wikipedia - Barratt (Confectionary)
History, information and sources
Greater London Industrial Archaeology Society - Barratt & Co., Ltd., Manufacturing Confectioners, Wood Green, London.
History of the company and manufacturing processes
Harringay online - A History of Barratts Sweet Factory in Wood Green
Videos of the factory Part 1, Part 2, Part 3,
Part 4,
Look Again - Tag History: Barratt Sweet History - The Fizzy History of Barratt & Co.
Outline history of the company with comments from decendants of the Osborne family
Workspace - The History of the Chocolate Factory in Wood Green
Brief outline history of the factory
Wikipedia - Valeo Confectionary
Range of retro sweets from aquisition of Barratts brand