Croydon Caving Club has an extensive library of caving books, magazines, periodicals, surveys, etc. A list of the entries under section 5A (Wales) is given below. Further details will be published in subsequent editions of Pelobates.
5A Wales
| 5A/041 | Ordnance Survey of Great Britain - Sheet 141 (Brecon) - 1 inch to 1 mile - 1967 (Rolled) |
| 5A/051 | Agen Allwedd - D E Leitch |
| 5A/052 | Cave Registry |
| 5A/053 | Ordnance Survey of Great Britain - Sheet 153 (Swansea) - 1 inch to 1 mile - 1966 (Rolled) |
| 5A/054 | Porth-yr-Ogof - Standing and Lloyd |
| 5A/055 | Ordnance Survey of Great Britain - Sheet 154 (Cardiff) - 1 inch to 1 mile - 1966 |
| 5A/056 | Bibliography for the North Wales Caving Area - Shepton Mallet Caving Club |
| 5A/057 | Cambrian Caving Council Handbook 1969 - N Christopher |
| 5A/058 | Goldfields of Wales - Illustrated London News |
| 5A/059 | Ogof Ffynnon Ddu - Survey - South Wales Caving Club - 1:1250 - 1969 - see also 5A/201 |
| 5A/060 | Riddle of the Welsh Caves - A Coase |
| 5A/061 | Llechwedd - I Jones |
| 5A/110 | The Caves of North Wales - Tony Oldham - Publisher: Anne Oldham |
| 5A/120 | The Survey of Pant Mawr Pot, South Wales - J M Alexander and J Clive Jones - 1959 |
| 5A/128 | Agen Allwedd and Related Cave Systems of Mynydd Llangattwg - Survey - I G Penney |
| 5A/131 | The Caves of Carmarthen - Tony Oldham - 1975 |
| 5A/132 | Ogog-y-Ci - Survey - B Tranter, V Cole, M Statham, I Statham - 1971-1972 |
| 5A/133 | The Mines on Snowdon - Map and Section - From: The Climbers Club Journal 1963 |
| 5A/138 | Brecon Beacons National Park Newsletter No 17 - Autumn 1978 |
| 5A/142 | Springs of Gower - W J Chambers (Private Publication) |
| 5A/146 | Brecon - 1 inch map - Ordnance Survey - 1971 |
| 5A/162 | Brecknockshire - 6 inch map - Ordnance Survey - Sheet SN 91 SE |
| 5A/164 | The Caves of West Wales - Tony Oldham - 1979 |
| 5A/165 | Swallow Holes on the Millstone Grit and Carboniferous Limestone of the South Wales Coalfield - The Geographical Journal - December 1954 - Trevor M Thomas |
| 5A/166 | The Carboniferous Limestone of the Northern Outcrop of the South Wales Coalfield - T Robertson and T Neville George - Proc Geol Assoc Vol XL Pt 1 - 1929 |
| 5A/169 | Limestones and Caves of Wales - Editor: Trevor D Ford - Cambridge University Press - 1989 |
| 5A/171 | Porth-yr-Ogof and its Neighbours - T A J Braithwaite - c1937 |
| 5A/172 | Pre-Seminulan Main Limestone of the Avonian Series in Breconshire - T Neville George - Journal of the Geological Society of London Vol 110 Pt 3 - 1954 |
| 5A/173 | Geomorphology and Spelaeogenisis of Vertical Shafts in Carboniferous Limestone at Ystradfellte, Breconshire - A R Burke (The Simpson Lecture) |
| 5A/174 | Second Report on the Little Neath River Cave - P A Standing, M D Newson, A G Wilkins - UBSS Proceedings Vol 12 No 3 Pgs 303-325 - 1971 |
| 5A/177 | The Geological History of Brecknock - F J North - Brycheiniog Vol 1 - 1955 - Editor: D J Davies |
| 5A/182 | Caves in Wales and the Marches - D W Jenkins and Ann Mason Williams - Dalesman - 1967 |
| 5A/183 | The Survey of Tunnel Cave, South Wales - C Lewis Railton - Cave Research Group Publication No 7 - March 1958 |
| 5A/184 | Tunnel Cave Survey (with cross section) - Railton and Little - 1958 - and Coarse - 1975 |
| 5A/185 | Ogof Gwdihw - UBSS Procedings Vol 16 Pgs 109-111 - 1982 |
| 5A/186 | Ogof Fechan - Survey - WSG - 1970-1971 - CRG Grade 5B-6C |
| 5A/187 | Otter Hole - Survey - RFD (?) - 1978 (?) - CRG Grade 5 |
| 5A/188 | Dan-yr-Ogof - Survey - SWCC - 1967-1973 - BCRA Grade 4-6 |
| 5A/189 | Geology, Drainage and Structure in the Dan-yr-Ogof Catchment Area - Longitudinal Sections Related to Lithology - see 5A/188 |
| 5A/190 | Ogof Ffynnon Ddu (I) - Original 1951 Survey - Revised March 1967 - SWCC - CRG Grade 4-6D |
| 5A/191 | Ogof Ffynnon Ddu II & III - Preliminary Survey - SWCC - 1967 - CRG Grade 1-4 |
| 5A/192 | Little Neath River Cave - Survey - UBSS - 1967 - CRG Grade 5 (inc: Bridge Cave, Pwll-y-Rhyd, Town Drain and White Lady) |
| 5A/193 | Agen Allwedd - Survey - August 1963 - CRG Grade 4 - Procedings of BSA Conference |
| 5A/194 | Sketch Maps of DYO, OFD, LNRC Geological Features - Source: UBSS & SWCC - 1971 & 1977 |
| 5A/195 | Porth-yr-Ogof - Survey - 1968-1969 - UBSS & CDG - CRG Grade 4C |
| 5A/196 | Dolphin's Hole - Survey - Hereford CC - 1978 |
| 5A/197 | Eglwys Faen - Survey |
| 5A/198 | Llygad Llwchwar - Survey - 1975 - Based on Weaver 1939 |
| 5A/199 | Ogof Cadno - Survey - Unit 2 CR&E - May 1984 - BCRA Grade 5C |
| 5A/200 | The Columns - Poster - SWCC |
| 5A/201 | Ogof Ffynnon Ddu - Survey (Print Original) - 1969 - SWCC - 1:1250 - see also 5A/059 |
| 5A/202 | Pant Mawr Pot - Survey - SWCC - CRG Grade 5 (Rolled) |
| 5A/203 | Caves of South Wales - Tim Stratford - 3rd Ed - 1986 - Cordee |
| 5A/204 | Pwll Dwfn - Survey |
| 5A/205 | Ogof Glan Mellte - Survey - Croydon CC - 1980 - BCRA Grade 5 |
| 5A/206 | Ogof Garreg Fawr - Survey - Cwmbran CC - 1969/1972/1986 - BCRA Grade 1-2 |
| 5A/207 | Ogof Cynnes - Survey - Holmes & Farr - 1968 - SWCC - CRG Grade 4 |
| 5A/208 | Ogof Gwdihw - Survey - Unit 2 CR&E - Jan 1982 - BCRA Grade 3B |
| 5A/209 | Sink-y-Giedd - Survey - SWCC |
| 5A/210 | Wills Hole - Survey - UBSS - 1972 - CRG Grade 4-5B |
| 5A/211 | Ogof Cul - Survey - Croydon CC - 1984 - BCRA Grade 5C |
| 5A/212 | Ogof Craig-a-Ffynnon - Survey |
| 5A/213 | Bridge Cave - Inlet Passage - Bessant & Giles (Croydon CC) - CRG Grade 3 |
| 5A/214 | Agen Allwedd - Survey - BNS & MCC - Pre 1975 (?) |
| 5A/215 | Hepste Resurgance Area - Survey/Map |
| 5A/217 | Caves of the Sychryd Valley - Survey - UBSS - 1972 - CRG Grade 6 (Surface) & Grade 4-5B (Caves) |
| 5A/218 | Little Neath River Cave - Survey - UBSS - 1967-1970 - CRG Grade 5 (includes: Bridge Cave, Pwll-y-Rhyd and White Lady) |
| 5A/219 | Sketch Map of the Pant Mawr Area - Showing Caves and Solid Geology |
| 5A/220 | Sale of 'Gareg-Fawr' Farm - Auctioneers Prospectus |
| 5A/221 | Institute of Geological Sciences - Merthyr-Tydfil - Sheet 231 (Solid Edition) |
| 5A/225 | Afon Nedd Fechan - Caves, Hydrology & Geomorphology - Various (mainly WSG) |