The "20th century" directory for the Wigan union & postal areas comprising the borough of Wigan, and the townships of Abram, Ashton-in-Makerfield, Aspull, Billinge, Blackrod, Dalton, Golborne, Haigh, Hindley, Ince-in-Makerfield, Orrell, Parbold, Pemberton, Shevington, Standish-with-Langtree, Upholland, Worthington, and Wrightington.
Wigan : Thomas Weaver & Co.,
1903-
"Also, postal information and telephone subscribers."