1. Studies in Stream Life in Tributaries of the Welsh Dee
2. Baker F. C.(1911).The Lymnaeidae of North and Middle America recent and fossil.Spec. Publ. Chicago Acad. Sci. No. 3.
3. Baker F. C.(1918).The productivity of invertebrate fish food on the bottom of Oneida Lake with special reference to mollusks.Tech. Publ. N.Y. State Coll. Forestry Syracuse Univ.No. 9 11–264.
4. Berg K.(1948).Biological studies on the River Susaa.Folia Limnol. Scandinav.No. 4.
5. A comparative morphological‐biological analysis of the egg capsules of freshwater pulmonate gastropods;Bondesen P.;Natura Jutlandica,1950