This collection consists of registers of professional certificates and licenses issued to dentists, pharmacists, and other medical occupations practicing in the county. Includes Registers of Dentists (3 vol., 1885-1932); Register of Pharmacists (1905-1923); Register of Optometry (1903-1950); Medical Certificates (1876-1934); Certifications of physicians, optometrists, chiropractors, osteopaths, pharmacists, dentists, chiropody, veterinarians, and assistants (1923-1963); Healing Arts Certificates (c1960-1974). Contents vary. Most volumes contain index.