TY  - GEN
ED  - National Library of Wales.
TI  - Lists of collections of the National Library of Wales,
KW  - Coal industry
KW  - Wales
KW  - History
KW  - Sources
KW  - Slate industry
N1  - Open to research
N2  - Typewritten lists of the library's manuscript collections relating to the coal and slate industries in Wales
ER  -