Semaoen and Darsono - Partai Komunis Indonesia

Both are the founders of Indonesian Communist Party (PKI), which was established on May 23, 1920.

Taken From:

Mirjam Maters, Dari Perintah Halus ke Tindakan Keras: Pers Zaman Kolonial Antara Kebebasan dan Pemberangusan, 1906-1942, Hasta Mitra, 2003.

Edi Cahyono's

Library