Percussive notes.

v.4 1965 no.1; v.4 1965 no.2; v.4 1966 no.4; v.6 1968 no.1; v.6 1968 no.2; v.7 1969 no.1; v.7 1969 no.2; v.7 1969 no.3; v.8 1970 no.1; v.9 1970 no.1; v.9 1971 no.2; v.10 1971 no.1; v.10 1972 no.2; v.10 1972 no.3; v.11 1972 no.1; v.11 1973 no.2; v.12-15 1973-1977; v.16-17 1977-1979; v.18 1979-1980; v.19 1980-1981; v.20 1981-1982; v.21 1982-1983; v.21 no.6; v.22 1983-1984; v.23 1984-1985; v.24 1985-1986; v.25 1986-1987; v.26 1987-1988; v.27 1988-1989; v.28 1989-1990; v.29 1990-1991; v.30 1991-1992; v.31 1992-1993; v.32 1994; v.33 1995; v.34 1996; v.35 1997; v.36 1998; v.37 1999; v.38 2000; v.39 2001; v.40 2002; v.40 no.1-3; v.40 no.6; v.41 2003; v.41 no.4-6; v.42 2004; v.42 no.1-4; v.42 no.6; v.43 2005; v.44 2006; v.45 2007; v.46 2008