Advisory report on a national parks system for Thailand 1959-1960
1964
Ruhle, George C. |
Special publication / American Committee for International Wild Life Protection
Advisory report on wildlife and national parks in Nigeria, 1962
1965
Petrides, George A. |
Advisory report on national parks and reserves for Taiwan, 1965
1966
Ruhle, George C. |
Advisory report on national parks and reserves for the Republic of Korea, 1966
1968
Ruhle, George C. |
Notes on the distribution and status of some Peruvian mammals 1968
1969
Grimwood, I. R. |