Showing 3 results

Studies on the helminth parasites of herring gulls (Larus argentatus Pontopp.) on the Newborough Warren Nature Reserve, Anglesey / by William Threlfall

• MS-14-REF, Box 16, Folder 4
• Item
• 1965

Part of William Threlfall fonds

Ectoparasites / Wheeler and Threlfall

• MS-14-33, AV Box 2, Folder 3
• Item
• [after 1976]

Part of William Threlfall fonds

Collected reprints, volumes I & II / William Threlfall

• MS-14-REF, Box 16, Folders 5 & 6
• Item
• 1963-1984

Part of William Threlfall fonds