British fresh-water Copepoda - Gurney, Robert, 1879 -1950 (Ray Society, 1933)

The British freshwater Rhizopoda and Heliozoa - Cash, James, 1839 -1909 (Printed for the Ray Scociety, 1909)

The British freshwater Rhizopoda and Heliozoa - Cash, James, 1839 -1909 (Printed for the Ray Scociety, 1915)

The British freshwater Rhizopoda and Heliozoa - Cash, James, 1839 -1909 (Printed for the Ray Scociety, 1921)

The British freshwater Rhizopoda and Heliozoa - Cash, James, 1839 -1909 (Printed for the Ray Scociety, 1905)

British Oribatidæ - Michael, Albert Davidson, 1836 -1927 (The Ray Society, 1884)

The British parasitic Copepoda - Scott, Thomas, 1840 -1929 (Printed for the Ray Society, 1913)