Production of the Exakta Varex, 1950, by Werner Wurst - German
Technical Development of Exakta and Exa, 1936-1977 - German
Licencing Agreement Ihagee - Harwix Berlin, 1982 - German
Ihagee from 1945-1970's, by Peter Hammer - German
Exakta and Exa Customer Service in the World - English
Postcard with first issue stamp from Leipziger Messe, 1955
Article re EXAKTA image on official stamp, 1955 - German
Invitation to Fotoball, 1986 - German
Traded shareholding in Ihagee Berlin, 1966 - German
Litigation and Court Verdicts
IHG Frankfurt against Dr. K. Heynderickx, 1963 - German
IHG Dresden against IHG Frankfurt, 1963-1964 - German
IHG Dresden against IHG Berlin, 1967 - German
IHG Berlin against IHG Dresden, ORWO etc, 1967 - German