D. M. Johnston en Hungdah Chiu, Editors, Agreements of the People's Republic of China, 1949–1967: a calendar, Harvard Studies in East Asian Law, 3. Harvard University Press, Cambridge Mass. 1968, XVII–286 blz.
File:Discounted Sinterklaas products on December 6th, 2017 in the Plus Veenstra, Winschoten 01.jpg - Wikimedia Commons
Varolast Plus, zinklijmzwachtel, 8cm x 5m (1) – Medische Artikelen SMA b.v.