A notebook in the hand of J. H. Davies containing titles of printed books, including works published by S. Williams, Aberystwyth, hymn-books in the Trefecca library, etc. The volume was subsequently used by J. H. Davies to record a few memoranda relating to an inquiry into the problem of the pollution of the river Teifi, 1917.

Correspondence and reports by Evan Harries and others relating to the pollution of the River Teifi.