Does HeinOnline have treaties that involve other countries besides the United States? Search For Home Does HeinOnline have... Does HeinOnline have treaties that involve other countries besides the United States? Does HeinOnline have treaties that involve other countries besides the United States? Yes, HeinOnline has thousands of treaties between countries besides the United States. Was this article helpful? Yes No Related Articles Does HeinOnline have cataloguing aids available? Does HeinOnline have United Nations Treaty Actions? Can anyone use the HeinOnline App? HeinOnline App Where can I find help for using HeinOnline?