Research studies of the State College of Washington.

v.1 1929-1930; v.2 1930; v.1-2 1929-31; v.1-3 (1929-35); v.3 1935; v.1-4 June 1929-Dec. 1936; v.3-4 1935-36; v.4-5; v.4 (1936); v.5 1937; v.5-6 1937-38; v.6-8; v.6 1938; v.5-7 (1937-39); v.7 1939; v.5-8 Mar. 1937-Dec. 1940; v.7-8 1939-1940; v.8 1940; v.8-9 (1940-41); v.9 1941; v.9-10 1941-42; v.10 1942; v.9-11 1941-1943; v.11 1943; v.10-12 (1942-44); v.11-12 1943-1944; v.12-14; v.12 1944; v.12-13 1944-1945; v.13 1945; v.13-14 1945-46; v.14 1946; v.14 no.1-2 Mar.-June 1946; v.13-15 (1945-47); v.15-18; v.15 1947; v.15 no.1-2, 4 Mar.-June, Dec. 1947; v.16 1948; v.16 no.2-4 June-Dec. 1948; v.16 no.3-4 1948; v.16-17 (1948-49); v.17 1949; v.17 no.2 1949; v.17 no.3-4 1949; v.18 1950; v.18 no.4 1950; v.18-20 (1950-52); v.19-20 1951-1952; v.19-21 (1951-53); v.20-21 (1952-53); v.21 (1953); v.21-22 1953-1954; no.22 1954 no.2; v.22 (1954); v.21-23 1953-1955; v.22-23 (1954-55); no.24 1956; v.24 (1956); v.24-25 (1956-57); v.25 (1957); no.26 1958; v.26-27 (1958-59); v.26-28 (1958-60); no.27-29 1959-1961; no.30 1962; no.31 1963; index 1-25