Edcuation in Isis

Isis is the main journal for the history of science.

Data

starting at 1919, number of results for 'textbook' by year, Isis.

year	number of results	notes
1919	2
1920	2
1921	9
1922	0
1923	6
1924	10
1925	2
1926	5
1927	3
1928	9
1929	3
1930	1
1931	4
1932	2
1933	7
1934	4
1935	9
1936	9
1937	7
1938	8
1939	5
1940	4
1941	10
1942	7
1943	9
1944	4
1945	1
1946	1
1947	6
1948	4
1949	9
1950	5
1951	10
1952	5
1953	5
1954	8
1955	3
1956	3
1957	6
1958	11
1959	7
1960	5
1961	12
1962	8
1963	12
1964	7
1965	9
1966	7
1967	12
1968	7
1969	9
1970	14
1971	7
1972	17
1973	11
1974	3
1975	11
1976	9
1977	17
1978	10
1979	15
1980	12
1981	11
1982	15
1983	14
1984	32
1985	15
1986	17
1987	17
1988	15
1989	17
1990	19
1991	11
1992	13
1993	21
1994	33
1995	26
1996	42
1997	19
1998	46
1999	36
2000	26
2001	17
2002	19
2003	21
2004	16
2005	13
2006	12
2007	15
2008	20
2009	17
2010	17
2011	9	first three quarters only