"Welsh literature Bibliography." . . "Manuscripts, Welsh." . . "Wales" . . "Wales." . "History Sources." . . "Great Britain. Royal Commission on Historical Manuscripts." . . "Welsh literature." . . . . . . . "Report on manuscripts in the Welsh language"@en . . "Report on manuscripts in the Welsh language" . . . . . . . . . "Report on Manuscripts in the Welsh Language. [A descriptive catalogue.]"@en . . . . . . . . . . . . . . "Catalogs" . "Catalogs"@en . . . . . . . . . . . . "Sources"@en . "Sources" . . "History" . "History"@en . . . . . . "Bibliography"@en . "Bibliography" . "Welshe handschriften." . . "Manuscripts, Welsh Catalogs." . .