The first issue of 28 pages was identified as: published in Currie Street, Adelaide, price 3d., subscription 12/6d.
From 10 April 1907 the cover design was international and "beau monde" stylish; then from 31 July covers featured original artwork or a photograph, below a banner reading "The Gadfly — An Independent Australian Weekly Newspaper".
Dennis was assisted by Beaumont Smith and Alice Grant Rosman in the production of Gadfly.
Gadfly commenced as an outlet for Australian writers and artists, but broadened in scope to include social gossip, and news and comments on stage and sport.
The National Library of Australia has digitised photographic copies of every issue of Gadfly from 14 February 1906 (Vol.