Acquired by Rakow Library in April 1988.
In general, material is arranged alphabetically by glass company. List prepared by Roller (i.e., table of contents) is filmed at the beginning. For an index, see CMGL document catalog.
There is a separate notebook specifically for Kerr.
Kept in filing cabinets in drawer with British patents (2/01).
Dated from 1870-1955, the documents include advertisements, correspondence on letterheads, sales brochures, product leaflets, legal documents, stock certificates, in short, any paper that gives information on fruit jars, their production and use.