Proceedings of the Helminthological Society of Washington.

v.1-5 1934-1938; v.1-5 1934-38; v.18-22(1951-1955); v.22-23; v.23-26(1956-1959); v.24-25(1957-1958); v.26-29(1959-1962); v.27-29(1960-1962); v.34-35 1937-1938; v.1-7 1934-40; v.6-07 yr.1939-40; v.6-10 1939-1943; v.6-10 1939-43; v.6-12 1939-45; v.8-15 1941-48; v.11-15 1944-1948; v.11-15 1944-48; v.13-18 1946-51; v.16-19 1949-52; v.16-20 1949-1953; v.16-20 1949-53; v.19-23 1952-56; v.20-23 1953-56; v.21-24 1954-57; v.21-25 1954-1958; v.24-27 1957-60; v.25-28 1958-61; v.26-30 1959-1963; v.28-30 1961-63; v.29-30 1962-63; v.31-32 1964-65; v.31-33 1964-1966; v.31-33 1964-66; v.33-34 1966-67; v.34 yr.1967; v.34-36 1967-69; v.35-36 1968-69; v.36 yr.1969; v.36-37 1969-1970; v.37 yr.1970; v.37-38 1970-71; v.38 1971 no.1; v.38 1971 no.2; v.37-39 1970-72; v.39 1972; v.39 no.1 1972; v.39 no.2 1972; v.40 1973; v.40-41 1973-1974; v.41 1974; v.40-42 1973-75; v.42 1975; v.42-43 1975-1976; v.43 1976; v.44 1977; v.43-45 1976-78; v.44-45 1977-1978; v.45 1978; v.46 1979; v.46-47 1979-1980; v.47 1980; v.46-48 1979-81; v.48 1981; v.48-49 1981-1982; v.49 1982; v.50 1983; v.49-51 1982-84; v.50-51 1983-1984; v.51 1984; v.52 1985; v.52-53 1985-1986; v.53 1986; v.52-54 1985-87; v.54 1987; v.55 1988; v.55-56 1988-1989; v.55-56 1988-89; v.56 1989; suppl.