General Index

General index to RITh and IKZ:

• Volume 1 (1893) - 8 (1900) - out of print
• Volume 9 (1901) - 18 (1910) - not published
• Volume 19 (1911) - 25 (1935) - out of print
• Volume 26 (1936) - 50 (1960) - 5 CHF can be ordered
• Volume 51 (1961) - 75 (1985) - 12 CHF can be ordered