Science education (Online)

1 to 4, 7 to 14, 70, 75 to 107

v.4(1919-1920); v.1-2(1916-1918)

v.3-4 1918-1920; v.5-6 1920-1922

v.3-4 1918-1920; v.5-6 1920-1922

1 to 98

Preserved : 1 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 5); 81 (1 to 6); 82 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (S1, 1 to 6); 89 (1 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1 to 6); 95 (1 to 6); 96 (1 to 6); 97 (1 to 6); 98 (1 to 6); 99 (1 to 6)

Preserved : 1 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 4); 81 (1 to 6); 82 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (S1, 1 to 6); 89 (1 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1 to 6); 95 (1 to 6); 96 (1 to 6); 97 (1 to 6); 98 (1 to 6); 99 (1 to 6)

Preserved : 1930: 14(2-4), 1930/1931: 15(1-4), 1931/1932: 16(1-6), 1933: 17(1-4), 1934: 18(1-4), 1935: 19(1-4), 1936: 20(1-4), 1937: 21(1-5), 1938: 22(1-7), 1939: 23(1-7), 1940: 24(1-7), 1941: 25(1-7), 1942: 26(1-5), 1943: 27(1-4), 1944: 28(1-5), 1945: 29(1-5), 1946: 30(1-5), 1947: 31(1-5), 1948: 32(1-3, 5), 1949: 33(1-5), 1950: 34(1-5), 1951: 35(1-5), 1952: 36(1-5), 1953: 37(1-5), 1954: 38(1-5), 1955: 39(1-5), 1956: 40(1-5), 1957: 41(1, 3-5), 1958: 42(1-5), 1959: 43(1-5), 1960: 44(1-5), 1961: 45(1-5), 1962: 46(1-5), 1963: 47(1-5), 1964: 48(1-5), 1965: 49(1-5), 1966: 50(1-5), 1967: 51(1-5), 1968: 52(1-5), 1969: 53(1-5), 1970: 54(1-4), 1971: 55(1-4), 1972: 56(1-4), 1973: 57(1-4), 1974: 58(1-4), 1975: 59(1-4), 1976: 60(1-4), 1977: 61(1-4), 1978: 62(1-4), 1979: 63(1-5), 1980: 64(1-5), 1981: 65(1-5), 1982: 66(1-5), 1983: 67(1-5), 1984: 68(1-5), 1985: 69(1-5), 1986: 70(1-5), 1987: 71(1-5), 1988: 72(1-5), 1989: 73(1-6), 1990: 74(1-6), 1991: 75(1-6), 1992: 76(1-6), 1993: 77(1-6), 1994: 78(1-6), 1995: 79(1-6), 1996: 80(1-6), 1997: 81(1-6), 1998: 82(1-6), 1999: 83(1-6), 2000: 84(1-6), 2001: 85(1-6), 2002: 86(1-6), 2003: 87(1-6), 2004: 88(1, S 1, 2-6), 2005: 89(1-6), 2006: 90(1-6), 2007: 91(1-6), 2008: 92(1-6), 2009: 93(1-6), 2010: 94(1-6), 2011: 95(1-6), 2012: 96(1-6), 2013: 97(1-6), 2014: 98(1-6), 2015: 99(1-6), 2016: 100(1-6), 2017: 101(1-6), 2018: 102(1-6), 2019: 103(1-6), 2020: 104(1-6), 2021: 105(1-6), 2022: 106(1-6), 2023: 107(1-6)

Preserved : 14 (2 to 4); 15 (1 to 4); 16 (1 to 6); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 5); 22 (1 to 7); 23 (1 to 7); 24 (1 to 7); 25 (1 to 7); 26 (1, 2, 3-4, 5); 27 (1 to 4); 28 (1 to 5); 29 (1 to 5); 30 (1 to 5); 31 (1 to 5); 32 (1 to 3, 5); 33 (1 to 5); 34 (1 to 5); 35 (1 to 5); 36 (1 to 5); 37 (1 to 5); 38 (1 to 5); 39 (1 to 5); 40 (1 to 5); 41 (1, 3 to 5); 42 (1 to 5); 43 (1 to 5); 44 (1 to 5); 45 (1 to 5); 46 (1 to 5); 47 (1 to 5); 48 (1 to 5); 49 (1 to 5); 50 (1 to 5); 51 (1 to 5); 52 (1 to 5); 53 (1 to 5); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 60 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 5); 64 (1 to 5); 65 (1 to 5); 66 (1 to 5); 67 (1 to 5); 68 (1 to 5); 69 (1 to 5); 70 (1 to 5); 71 (1 to 5); 72 (1 to 5); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (1 to 6); 82 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (S1, 1 to 6); 89 (1 to 6); 90 (1 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1 to 6); 95 (1 to 6); 96 (1 to 6); 97 (1 to 6); 98 (1 to 6); 99 (1 to 6); 100 (1 to 6); 101 (1 to 6); 102 (1 to 6); 103 (1 to 6); 104 (1 to 6); 105 (1 to 6); 106 (1 to 6); 107 (1 to 5)