General Affairs of the Caroline, Palau and Mariana Islands. - Administration, social, economic and political development, local population, expeditions: vol. 1
General Affairs of the Caroline, Palau and Mariana Islands. - Administration, social, economic and political development, local population, expeditions: vol. 10
General Affairs of the Caroline, Palau and Mariana Islands. - Administration, social, economic and political development, local population, expeditions: vol. 2
General Affairs of the Caroline, Palau and Mariana Islands. - Administration, social, economic and political development, local population, expeditions: vol. 3
General Affairs of the Caroline, Palau and Mariana Islands. - Administration, social, economic and political development, local population, expeditions: vol. 4
General Affairs of the Caroline, Palau and Mariana Islands. - Administration, social, economic and political development, local population, expeditions: vol. 5
General Affairs of the Caroline, Palau and Mariana Islands. - Administration, social, economic and political development, local population, expeditions: vol. 6
General Affairs of the Caroline, Palau and Mariana Islands. - Administration, social, economic and political development, local population, expeditions: vol. 7
General Affairs of the Caroline, Palau and Mariana Islands. - Administration, social, economic and political development, local population, expeditions: vol. 8
General Affairs of the Caroline, Palau and Mariana Islands. - Administration, social, economic and political development, local population, expeditions: vol. 9
Labour issues and labour relations in German New Guinea, including the recruitment of foreign workers, in particular Indian and Chinese workers: Vol. 15
