P. S. Sidabutar has written:
'Laporan penelitian aspek-aspek pertanian dan pembangunan pertanian dalam menunjang pembangunan ekonomi daerah Kalimantan Timur'
P. S. Jha has written: 'India'
S P. Russell has written: 'Fruit'
S. P. Nikitin has written: 'Kon\\'
P. S. Bright has written: 'India'
P. S. Welch has written: 'Limnology'
S. P. P Mminele has written: 'Ngwana wa Mobu'
P. S. Adams has written: 'Aircraft hardening'
S. P. Woodward has written: 'A manual of the mollusca'
P. S. Samuel has written: 'Health science'
S. P. Muradyan has written: 'Grakan hangrvanner'
S. P. Saburov has written: 'Vsegda soldat'
S. P. Robins has written: 'Object lessons'