According to authors Stephen Dorril and Robin Ramsay, Rosenbaum was "a leading light in the world Zionist movement," and his bank "appears to have been a semi -detached Israeli Government laundry for money into and out of Israel." The bank collapsed in 1974.
- Stephen Dorril & Robin Ramsay, Smear! Wilson and the Secret State, Fourth Estate Ltd, 1991, p.114
- Raymond Bonner, At the Hand of Man: Peril and Hope for Africa's Wildlife, Simon and Schuster, 1993, p.68.