Handwritten, numerical lists of Grimsby registered trawlers and owners; every year from 1947 to 1968.

The index for each year is in the order GY.1 to GY.1407 (or less). Approximately 150 pages with 45 entries per page. Over 6,500 lines. An invaluable reference. Information from Olsen’s Fisherman’s Nautical Almanacks.