Great plains quarterly (Online)

9 to 24

34, 35

Preserved : 1981: 1981(January, April, July, October), 1982: 1982(January, April, July, October), 1983: 1983(January, April, July, October), 1984: 1984(January, April, July, October), 1985: 1985(January, April, July, October), 1986: 1986(January), 1987: 1987(January, April), 1988: 1988(January), 1989: 1989(January), 1990: 1990(January), 1991: 1991(January), 1992: 1992(January), 1993: 1993(January), 1994: 1994(January), 1995: 1995(January), 1996: 1996(January), 1997: 1997(January, April, July), 1998: 1998(January, April, July), 1999: 1999(January, April, July, October), 2000: 2000(January, March, May, July, October), 2001: 2001(January, April, July, October), 2002: 2002(January, May, July, October), 2003: 2003(January, April, July, October), 2004: 2004(January, April), 2005: 2005(January, April), 2006: 2006(January), 2007: 2007(January, April, July, October), 2008: 2008(January, April, July, October), 2009: 2009(January, April, July)

Preserved : 2014: 34(1-4), 2015: 35(1-4), 2016: 36(1-4), 2017: 37(1-4), 2018: 38(1-4), 2019: 39(1-4), 2020: 40(1-3)

Preserved : 2022: 42(3-4), 2023: 43(1-2)