Martienssen, Rex Distin. Martienssen House, Greenside. 25-03-1940. Sections and elevations. Ink on canvas & ink on paper. Drawing number Q.2.M. 720 x1020.
Martienssen, Rex Distin. Martienssen House, Greenside. April 1940. details of RC Construction. (Roof and floor). Drawing no 491/1. 775x900. Ink on paper
Martienssen, Rex Distin. Proposed new boathouse for Victoria Lake Club, Germiston. Working drawings: plans, sections and elevations. pencil and ink on butchers paper.