Llyfrgell
Library
You can do simple searches using this form:
Title
Author
Publisher
Subject
Language
Date
Title
The subterranean world
Author
Hartwig,G
Date
1885
Pages
522
Subject
Caves
Number
1741 Locked cupboard
Type
Book
Web
https://babel.hathitrust.org/cgi/pt?id=coo1.ark:/13960/t01z4rb1b