MKUltra Subproject 46

MKUltra Subproject 46 provided research funding spanning 1955 to 1961. The surviving paperwork shows financial records, invoices, and administrative memos tracking obligations and expenditures. One memo dated January 22, 1964 reports total funds received of $292,290.00 with itemized expenses including salaries ($130,284.10), equipment ($23,675.32), chemicals and drugs ($9,644.68), animal costs ($3,059.50), and miscellaneous supplies and overhead totaling $262,290.00. Another memo from June 18, 1964 addresses grant requests and disputes. The file includes handwritten ledgers of checks and receipts issued to redacted institutions and personnel across multiple 1955-1961 authorizations, ranging from several hundred to over $48,000 per transaction. Names and specific institutional affiliations are redacted throughout. The documents show routine financial administration of classified research operations.