Urban education (Online)

Preserved : 49 (1 to 8), 50 (1 to 8), 51 (1 to 10), 52 (1 to 10), 53 (1 to 9)

1 to 42, 51 to 59

43 to 50

1 to 49

1 to 38, 59

39 to 58

45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 8); 50 (1 to 8); 51 (1 to 10); 52 (1 to 10); 53 (1 to 10); 54 (1 to 10); 55 (1 to 8-9, 10); 56 (1 to 10); 57 (1 to 10); 58 (1 to 6, 9)

Preserved : 1 (3); 2 (2-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1, 2-3, 4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-5); 32 (1-5); 33 (1-5); 34 (1-5); 35 (1-5); 36 (1-5); 37 (1-5); 38 (1-6); 39 (1-6); 40 (1-6); 41 (1-6); 42 (1-6); 43 (1-6); 44 (2-6); 45 (1-6); 46 (1-5); 47 (1-6); 48 (1-6); 49 (1-8); 50 (1-8); 51 (1-10); 52 (1-10); 53 (1-10); 54 (1-10)

Preserved : 1965: 1(3), 1966/1967: 2(2-4), 1967/1968: 3(1-4), 1969/1970: 4(1-4), 1970/1971: 5(1-4), 1971/1972: 6(1-4), 1972/1973: 7(1-4), 1973/1974: 8(1-4), 1974/1975: 9(1-4), 1975/1976: 10(1-4), 1976/1977: 11(1-4), 1977/1978: 12(1-4), 1978/1979: 13(1-4), 1979/1980: 14(1-4), 1980/1981: 15(1-4), 1981/1982: 16(1-4), 1982/1983: 17(1-4), 1983/1984: 18(1-4), 1984/1985: 19(1-4), 1985/1986: 20(1-4), 1986/1987: 21(1-4), 1987/1988: 22(1-4), 1988/1989: 23(1-4), 1989/1990: 24(1-4), 1990/1991: 25(1-4), 1991/1992: 26(1-4), 1992/1993: 27(1-4), 1993/1994: 28(1-4), 1994/1995: 29(1-4), 1995/1996: 30(1-4), 1996/1997: 31(1-5), 1997/1998: 32(1-5), 1998/1999: 33(1-5), 1999/2000: 34(1-5), 2000: 35(1-5), 2001: 36(1-5), 2002: 37(1-5), 2003: 38(1-6), 2004: 39(1-6), 2005: 40(1-6), 2006: 41(1-6), 2007: 42(1-6), 2008: 43(1-6), 2009: 44(1-6), 2010: 45(1-6), 2011: 46(1-6), 2012: 47(1-6), 2013: 48(1-6), 2014: 49(1-8), 2015: 50(1-8), 2016: 51(1-10), 2017: 52(1-10), 2018: 53(1-10), 2019: 54(1-10), 2020: 55(1-10), 2021: 56(1-10), 2022: 57(1-10), 2023: 58(1-10), 2024: 59(1-4)

Preserved : 1 (3); 2 (2 to 4); 3 (1, 3, 4); 4 (1 to 4); 5 (1 to 4); 6 (1, 2-3, 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 5); 32 (1 to 5); 33 (1 to 5); 34 (1 to 5); 35 (1 to 5); 36 (1 to 5); 37 (1 to 5); 38 (1 to 6); 39 (1 to 6); 40 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 8); 50 (1 to 8); 51 (1 to 10); 52 (1 to 10); 53 (1 to 10); 54 (1 to 10); 55 (1 to 7, 8-9, 10); 56 (1 to 10); 57 (1 to 10); 58 (1 to 10); 59 (1, 3)