E.L. Roberts & Co

• Catalogue of E.L. Roberts & Co
• Catalogue of E.L. Roberts & Co., wholesale manufactures of doors ... and every conceivable thing in the line of millwork in any wood, foreign or domestic
• Number 500, general catalogue of E.L. Roberts & Co
• Number 600, general catalogue of E.L. Roberts & Co
• Price supplement number 500
• Price supplement number 600
• Roberts' Illustrated Millwork Catalog: A Sourcebook of Turn-of-the-Century Architectural Woodwork (Dover Woodworking)