1. More evidence on the historical properties of business cycles;A’Hearn;Journal of Monetary Economics,2001
2. Baltzer, M., Kling, G. 2004. Resiliency of the pre-World War I German stock exchange: evidence from a panel vector autoregression. In: Conference Proceedings of the 5th World Congress of Cliometrics, pp. 169–180.
3. Measuring business cycles: approximate band-pass filters for economic time-series;Baxter;Review of Economics and Statistics,1999
4. Economic crisis and the European revolutions of 1848;Berger;Journal of Economic History,2001
5. Ökonomische Voraussetzungen der Revolution von 1848. Zur Krise von 1845 bis 1848 in Deutschland;Bergmann,1979