(Aron et al 1972; ISAA mem list; ISAA Ybk 1930/31; SAAR Jan 1935:23-6) (Transvaal Inst. practicing. ISAA Yearbook, 1959)
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.
Helvetia Court: 1935. Bellevue, Johannesburg, Gauteng - Architect
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Houghton Heights: 1938. Johannesburg, Gauteng - Architect
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House CE Wilson, alt: 1935. Parktown, Johannesburg, Gauteng - Architect
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Warehouse for Academic Investment: 1936. Johannesburg, Gauteng - Architect
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