The Insurance Library
"Founded in 1887, the Insurance Library Association of Boston is the leading resource for and provider of literature, information services, and quality professional education for the insurance industry and related interests."
Collection includes Sanborn fire insurance maps, historical insurance journals, and books. Underwriters proceedings from as far back as 1866 and Massachusetts Insurance Commissioner Reports starting from the mid-1800's. Journals include Rough Notes, National Underwriter, and Best publications going back to the mid 1900's.