Series consists of material relating to the administration and operation of the Lang Tanning Company in Kitchener Ontario, from approximately 1888 to 1974. Contains minutes, agreements, and clippings. Also contains a colour photocopy of a site plan from 1938

Series consists of a collection of photographs originally contained in a photograph album created to showcase the activities of The Lang Tanning Company Limited. It tells the story of a three generation manufacturing company and depicts several steps in the leather tanning process. Each photo includes a typed caption indicating what is captured in the corresponding image. Employees, predominantly white men, appear throughout though a small number or photos include white women at work on various stages of leather processing. No employee identifications are included.