Journal of the American Helicopter Society.

v.1-3 1956-58; v.4-6 1959-61; v.7-9 1962-64; v.10-12 1965-1967; v.13-15 1968-1970; v.17 1972; v.16-18 1971-1973; v.18-19 1973-74; v.20 1975; v.19-21 1974-1976; v.21 1976; v.22 1977; v.23 1978; v.22-24 1977-1979; v.24 1979; v.25 1980; v.26 1981; v.25-27 1980-1982; v.27 1982; v.28 1983; v.28-29 1983-1984; v.30 no.1 1985; v.30 no.2-4 1985; v.31 1986; v.32-33 1987-1988; v.32-33 1987-88; v.34-35 1989-1990; v.34-35 1989-90; v.36 1991; v.36-37 1991-92; v.37 1992; v.38-39 1993-1994; v.38-40 1993-94; v.40-41 1995-1996; v.42 1997; v.43 1998; v.43-44 1998-1999; v.44 1999; v.45 2000; v.46 2001; v.47 2002; v.47-48 2002-2003; v.48 2003