http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
The volumes from July 1914 (30. Jahrg., Bd. 2) through June 1918 (34. Jahrg., Bd. 1) form the subseries: Der europäische Krieg.
Description based on: 29. Jahrg., 1. Bd. (Jan.-Juni 1913).
In 1885-86, the first vol. of each year is devoted to events in Germany, the second to events in foreign countries. Beginning with 1887, the whole field is covered in each vol. every half year.
<20. Jahrg., 1. Bd.> also called <Jahrg. 1913, 1. Teil>.