There is a possible lead in the form of a Brisbane 2005 UBD Street Directory, with the following pages marked:
Map 239/240: Browns Plains/Heritage Park Map 1/2: Mt Tamborine (...went riding?) Map 29/30: Labrador and Southport (...including both Labradore and Southport Squash Courts) Gold Coast
and:
p374/375: Faculties A-C (including Cemetary...?) p386/387: Gold Coast St Listing (letters E,F,G)