Shape: Catalogue/Ads
Contributor: Carol Roop - Pottery & Glass 1907

Shape: Catalogue/Ads
Contributor: Bill Banks

Shape: Assortments
Contributor: Bill Banks - 1903 Northwood Mosaic (Purple Slag) advertisement. Most of the items can be found in the database under various different pattern names.

Shape: Extra Information
Contributor: Scott Beale 2-page letter from 1914. more information found in Harry Northwood, The Wheeling Years Heacock, Measell, Wiggins p 164-167

Shape: Extra Information
Contributor: Scott Beale 2-page letter from 1914