4 sketch plans on manuscript pre-prepared base (48cm x 58cm), probably by Percy Johnson-Marshall & Associates. Themes are hand coloured using felt-tip pens . These show schematic ideas studies for the proposed St James Square Comprehensive Development Area in Edinburgh. Subjects covered are pedestrian circulation, levels, zoning and relative heights of major and distributor roads.

3 copy large scale Ordnance Survey base plans (76cm x 124cm), with local additions to the detail. A pink hand coloured boundary of the Edinburgh St James Square - Leith Street Comprehensive Development Area is overlaid. The plans show utilities in the area overlaid, one plan each for telephone cables, gas pipes, and sewers and manholes. Depth of the utilities is also shown.

2 manuscript 1:500 transparencies, probably by Percy Johnson-Marshall & Associates, one of the Potter Row / Nicolson Street area of the University of Edinburgh Comprehensive Development Area (50cm x 50cm) and one of the future Bristo Square area (71cm x 87cm). These plans are probably traced from Ordnance Survey plans and intended as base maps for future plans.