| Bloomberg | www.bloomberg.com |
| Bureau of Economic Analysis | www.bea.gov |
| Businessweek | www.businessweek.com |
| CIA World Factbook | www.cia.gov/library/publications/the-world-factbook |
| Dividendpagina | www.dividendpagina.nl |
| Econoshock | www.econoshock.be |
| Euroland | www.europeaninvestor.com |
| Fondsnieuws | www.fondsnieuws.nl |
| Financial Times | www.ft.com/home/europe |
| Morningstar | www.morningstar.nl |
| Valutakoersen | www.adblue.de/financechart.html |
| Warrenbuffett.nl | www.warrenbuffett.nl |
| Warren Buffett Watch | www.cnbc.com/id/19206666/ |