Sources: https://educate-yourself.org/cn/tavistockarticlesindex04jun04.shtml

Tavistock employee/researcher William Sargant’s book. He describes Tavistock as the hidden fifth column of govt. https://www.amazon.com/gp/aw/s/ref=is_s_ss_i_0_15?n=4&n=4&k=william+sargant&sprefix=william+sargant&crid=1NEUOZU7U86FX

Daniel Estulin’s book on Tavistock... https://www.amazon.com/gp/aw/d/163424043X/ref=mp_s_a_1_1?ie=UTF8&qid=1517275419&sr=8-1&pi=AC_SX236_SY340_QL65&keywords=tavistock+institute+social+engineering+the+masses&dpPl=1&dpID=51h0hJ-29ZL&ref=plSrch

John Coleman’s book on Tavistock... https://www.amazon.com/gp/aw/d/0963401971/ref=mp_s_a_1_2?ie=UTF8&qid=1517275468&sr=8-2&pi=AC_SX236_SY340_QL65&keywords=tavistock+institute+social+engineering+the+masses&dpPl=1&dpID=510P6J6-OnL&ref=plSrch