4,1=1903/04; 6,1=1905/06; 7,1=1906/07; 8,1=1907/08;9,1=1908/09; 10,1=1909/10; 11,1=1910/11; 12,1=1911/12; 13,3=1912/13; 14,3=1913/14; 15,3=1914/15; 16,3=1915/16; 20,4=1919/20; 22,3=1921/22; 23,3=1922/23; 24,4=1923/24; 25,6=1924/25; 26,6=1925/26; 27,6=1926/27; 28,10=1927/28; 29,11=1928/29 von:
University of Colorado Boulder: University of Colorado catalogue (SLUB)
30,10=1929/30; 31,13=1930/31; 32,13=1931/32; 33,13=1932/33; 34,13=1933/34; 35,13=1934/35; 36,13=1935/36; 37,14=1936/37; 39,17=1938/39; 46,18=1946/47; 41,19=1947/48; 48,17=1948/49; 49,16=1949/50; 50,19=1950/51; 51,21=1951/52; 55,2=1954/56 von:
University of Colorado Boulder: General catalog / University of Colorado (SLUB)
15,6=11,4; 17,1=12,1; 24,6=14,1; 24,9=14,2; 28,7=16,2; 29,14=17,3, 30,11=18,2; 31,15=18,4; 32,12=19,3; 32,15=20,1; 33,2=20,2/3; 33,16=21,1; 34,14=22,1; 35,12=22,2/3; 35,15=23,1 von:
University of Colorado Boulder: The University of Colorado studies (SLUB)
39,18=26,2; 38,19=26,1; 42,17=27,1; 43,19=27,2; 45,22=27,3; 46,20=27,4; 47,11=28,1; 49,17=28,2/3; 51,6=28,4; 52,21=29,1; 53,27=29,2; 54,23=29,3; 55,17=29,4,Suppl.; 55,27=29,4 von:
University of Colorado Boulder: University of Colorado studies / General series (SLUB)
57,1=1956/58; 59,2=1958/60; 62,46=1962/63; 66,25=1966/67; 68,30=1968/69; 70,24=1970/71; 71,60=1972/73 von:
University of Colorado Boulder: Catalog issue / University of Colorado (SLUB)