Arranged in alphabetical order of undertaking, some of the file contents comprise timetable extracts (TE), often mounted; other items include posters (P), leaflets (L) or booklets (B). Some undertakings are represented by a typed name sheet (not numbered) with no specimens.
Accrington: P (1), Aldershot & District: TE (2), Bath Tramways Motor Co.: TE (3), Blackburn Corporation: TE (4), Bradford Corporation: P,TE (5-6), Bristol Tramways & Carriage Co.: TE (7), Burnley, Colne & Nelson Joint TC: P (8), Caledonian Omnibus Co.: L, TE (9-10), Cardiff Corporation: TE (11), City Coach Co.: TE (12), Crosville Motor Services: Bx3, P (13-16), Cumberland MS: T (17), Devon General: TE (18), Dundee: TE (19), East Kent: TE (20), East Midland MS Ltd.: L, TE (21-2), Eastern Counties: TE (23), Eastern National: TE (24), Edinburgh Corporation: TE (25), Halifax Corporation: B, TE (26-7), Hampshire & Dorset: TE (28), Haslingdon Corporation: P (29), Hessle MS: L (30), Hicks Bros. Ltd.: TE (31), Highland Trans. Co.: TE (32), Huddersfield Corporation and LMS Jt.: P (33-4), Hull Corporation: TE (35), King Alfred MS: TE (36), Lancashire Utd.: TE (37), Leeds City Transport: P, TE (38-40), Lincolnshire Road Car: TE (41), London Transport: TE (42), Maidstone & District MS: TE (43), Manchester Corporation: TE, ticket (44-5), Midland Red [BMMO]: B, TE, map, tickets (46-9), North Star Omnibus & Coach Services Ltd.: TE (50), Oldham Corporation Tramways: P (51), (City of) Oxford MS: TE (52), Preston Corporation: TE (53), Reading Corporation: TE (54), Red & White Services Ltd.: B, TE (55-6), Ribble Motors Services: B (57), Rochdale Corporation: P (58), Rotherham CB: TE (59), St. Helens Corporation: TE (60), South Wales Transport Co., includes Mumbles Railway PDS: B, TE (61-3), Southdown: B, TE (64-5), South Vectis: TE (66), Stalybridge, etc., Tramways & Elec. Board: TE (67), Stockport CB: TE (68), Stockton Corporation: TE (69), Thames Valley: TE (70), Tillingbourne Valley: TE (71), Todmorden JOC: TE (72), Trent MT: TE (73), Utd. Automobile: TE (74), Utd. Counties: TE (75), Venture Ltd.: TE (76), Walsall Corporation: P, TE (77-8), West Riding Auto. Co.: TE (79), West Yorkshire Road Car: TE (80), Westcliff-on-Sea MS: TE (81), W. Welsh: TE (82), Wigan Corporation: TE (83), Wiltshire & Dorset MS: TE (84), Wolverhampton Corporation: TE (85), Yorkshire Omnibus Services: L (86), Yorkshire Traction: TE (87).
File also incl. : TS. and duplicate version of CD's paper to Omnibus Soc., 8 Apr 1938 'Carrying parcels by tram and bus' (88-9), CD's analysis of returns (90-1-39), CD's rough notes (91) : not individually numbered, Red Arrow file case (92).