1. Otto Haab
2. Otto Haab 1849-1931;Arch Ophthalmol,1932
3. The Ophthalmoscope;Schett,2018
4. Haab O. An atlas of ophthalmoscopy. WB Barker. British Optical Association; 1900 [consultado 30 Jun 2020] Disponible en: http://archive.org/details/108004Watermarked
5. The Haab-Magnet as a Sideroscope;Callan;Trans Am Ophthalmol Soc,1898