Hugh Bell's plant collecting trips notebook, summer 1943 and summer 1944
Hugh Bell's plant collecting trips notebook, summer 1947 and summer 1948
Hugh Bell's plant collecting trips notebook, 1932-1934
Hugh Bell's plant collecting trips notebook, 1949, 1950 and 1951
Hugh Bell's plant collecting trips notebook, 1952, 1953 and 1954
Hugh Bell's plant collecting trips notebook, 1954-1956
Catalogue of plants collected by Hugh Bell in 1950
Hugh Bell's plant collecting trips notebook, summer 1945 and summer 1946