Dutch university teacher (1918-2010)
Wikidata
Source:
Works from the collections
8 works
- Books
The Utrecht Ophthalmic Hospital and the development of the ophthalmoscope / Isolde den Tonkelaar, Harold E. Henkes & Gijsbert K. van Leersum.
Tonkelaar, Isolde den.Date: 1988- Books
Antonie Cramer's explanation of accommodation / I. den Tonkelaar, H.E. Henkes & G.K. van Leersum.
Tonkelaar, Isolde den.Date: 1990- Books
Herman Snellen (1834-1908) and Müller's 'Reform-Auge' : a short history of the artificial eye / I. den Tonkelaar, H.E. Henkes & G.K. van Leersum.
Tonkelaar, Isolde den.Date: 1991- Books
Helmholtz, the first reformer of ophthalmology / Harold E. Henkes.
Henkes, Harold E.Date: 1993- Books
The Utrecht Ophthalmic Hospital and the development of tonometry in the 19th century / Isolde den Tonkelaar, Harold E. Henkes & Gijsbert K. van Leersum.
Tonkelaar, Isolde den.Date: 1988