-
4091
Report on health conditions in the Philippine Islands to his excellency, the Governor General
Gepubliceerd in 1924Boek -
4092
-
4093
-
4094
Geodetic surveying and the adjustment of observations (method of least squares)
Gepubliceerd in 1911Boek -
4095
-
4096
-
4097
-
4098
-
4099
-
4100