Cambridge Natural History gan Harmer, S.F

Cambridge Natural History: Peripatus, Myriapods, Insects gan Harmer, S.F

Cambridge Natural History: Molluscs, Brachiopods ( Recent), Brachiopods, ( Fossil) gan Harmer, S.F

Insects: Cambridge Natural History gan Sharp, David

Awduron Eraill: “...Harmer, S.F.;Shipley, A.E...”