Forty-second Annual Report of the Mining Industry of Idaho for the Year 1940: Fifty years of Statehood 1890-1940 Campbell, Arthur, 1941
Forty-Third Annual Report of the Mining Industry of Idaho for the Year 1941 Campbell, Arthur, 1942
Forty-Fourth Annual Report of the Mining Industry of Idaho for the Year 1942 Campbell, Arthur, 1943
Forty-Fifth Annual Report of the Mining Industry of Idaho for the Year 1943 Campbell, Arthur, 1944
Forty-Sixth Annual Report of the Mining Industry of Idaho for the Year 1944 Campbell, Arthur, 1945
Forty-Seventh Annual Report of the Mining Industry of Idaho for the Year 1945 Campbell, Arthur, 1946
Forty-Eighth Annual Report of the Mining Industry of Idaho for the Year 1946 Campbell, Arthur, 1947
49th Annual Report of the Mining Industry of Idaho for the Year 1947 Campbell, Arthur, 1948
50th Annual Report of the Mining Industry of Idaho for the Year 1948 Campbell, Arthur, 1949
51st Annual Report of the Mining Industry of Idaho for the Year 1949 Campbell, Arthur, 1950