science magazine 1880-1894
10902
science magazine 1895-1919
21861
science magazine 1920-1939
21926
science magazine 1940-1957
21888
science magazine 1958-1959
3898
science magazine 1960-1961
3336
science magazine 1962-1963
4065
science magazine 1964-1965
5347
science magazine 1966-1967
5418
science magazine 1968-1969
5076
science magazine 1970-1971
4862
science magazine 1972-1973
4380
science magazine 1974-1975
3952
science magazine 1976-1977
4046
science magazine 1978-1979
4016
science magazine 1980
2079
science magazine 1981-1982
4848
science magazine 1983-1985
6354
science magazine 1986-1988
6662
science magazine 1989-1990
4532
science magazine 1991-1992
4937
science magazine 1993-1994
5081
science magazine 1995-1996
5237
science magazine 1997-1998
5390
science magazine 1999-2000
5563
science magazine 2001-2002
5790
science magazine 2004
22
science magazine 2005
51
science magazine 2006
51
science magazine 2007
51