Figures Are Monthly Averages. Stocks Are 4% Through September, 1897. Source: Volkswirtschaftliche Chronik
This NBER data series m11020 appears on the NBER website in Chapter 11 at http://www.nber.org/databases/macrohistory/contents/chapter11.html.
NBER Indicator: m11020
Release: NBER Macrohistory Database
National Bureau of Economic Research, Prices of Three and One Half Per Cent Government Bonds for Germany [M11020DEM502SNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M11020DEM502SNBR, February 10, 2016.