- January 1964–May 1965: Neutrality Proposals; Border Incidents and U.N.
Consideration; Deterioration and Break in U.S.-Cambodian Relations (Documents 105–156)
- August 1965–June 1966: Concern Over Viet Cong and North Vietnamese Use of
Cambodia; Policy Debate; Decision To Try for Reconciliation (Documents 157–185)
- July 1966–December 1968: Reconciliation Attempts; Assessing Cambodiaʼs
Support of the Viet Cong and North Vietnamese; Attempts to Encourage
Cambodia To Confront the Problem; Cambodian Detention and Release of the
U.S. Crew of LCU 1577 (Documents 186–263)