A Brief History of the Yale & Towne Company and an Examination of Their Time Lock Product Line from 1875 to the 1970s

Michelle Bebber , A. Key et al. • 2022

A Brief History of the Sargent & Greenleaf Company, and an Examination of Their Time Lock Product Line from 1874 to Today

I. Triguero, Mark Frank, J. Aragoncillo • 2021

A Brief History of the Halls and Consolidated Companies and an Examination of Their Time Lock Product Line from 1875 to 1927

Mark Frank, D.L. Carlson • 2021

A Brief History of the Halls and Consolidated Companies and an Examination of Their Time Lock Product Line from 1875 to 1927

Mark Frank • 2020

A Brief History of the Halls and Consolidated Companies and an Examination of Their Time Lock Product Line from 1875 to 1927

Mark Frank, D.L. Carlson • 2020

A Brief History of the Yale & Towne Company and an Examination of Their Time Lock Product Line from 1875 to the 1970s

Mark Frank • 2019

A Brief History of the Yale & Towne Company and an Examination of Their Time Lock Product Line from 1875 to the 1970s

Michelle Bebber , A. Key et al. • 2019

A Brief History of the Sargent & Greenleaf Company, and an Examination of Their Time Lock Product Line from 1874 to Today

Mark Frank • 2018

A Brief History of the Sargent & Greenleaf Company, and an Examination of Their Time Lock Product Line from 1874 to Today

I. Triguero, Mark Frank, J. Aragoncillo • 2018