FROLICH, KASS and HALLENEstablished: ?
A firm in which HH HALLEN was a partner. Their address in 1959 was 2nd Floor, Corporation Building, Commissioner Street, Johannesburg. (ISAA Yearbook, 1959)
Hellen thereafter formed the partnership HALLEN & DIAMOND
All truncated references not fully cited in 'References' are those of Joanna Walker's original text and cited in full in the 'Bibliography' entry of the Lexicon.