Google these:
1. UN Palestine Commission – Attack on Deir Yassin – 9 April 1948 – Letter from United Kingdom
2. trtworld: Classified-Docs-Reveal-Massacres-of-Palestinians-in-1948
3. The Spectator – The murderers in Israel’s army – by Edward Mortimer.
4. February 28, 1949 – The Consul at Jerusalem (Burdett) – to the Secretary of State – secret
5. Livia Rokach: Israel’s Sacred Terrorism – 1985 + Internet Archive