pt. 1, Subject-matter index of patents applied for and patents granted, from August 1854 to 31st December, 1866 -- pt. 2, Alphabetic index of patentees and applicants for patents of invention, from August 1854 to 31st December, 1866
Notes
At head of title: Victoria
"Vol. I"; indexes for the years 1867-<1893>, issued annually under the same title, continue the numbering