- SerieGRS0434 - THOMSON PROGRESS ASSOCIATION - Minutes, correspondence, & rosters
- Unidad documental simple0001 - Committee minutes 1955 (fragmentary) Also contains copy of Constitution and Aims
- Unidad documental simple0002 - Outwards correspondence 1951 - 1953
- Unidad documental simple0003 - Street Plan of Thomson and Committeemens' responsibilities 1952 - 1954
- Unidad documental simple0004 - Carnival Rosters 1952 - 1954