Application allows selection of scanned map sheets of historical geoscience maps before 1918 from Bohemia, Moravia, Silesia, Slovakia and adjacent territory of Europe. An index of authors contains biographical notes on distinguished authors including their contemporary portraits (only of half of the displayed authors). Application works with static data and raster images. It's available in Czech, English and Slovak language mutation. Full version is distributed on DVD (e-shop), free demo version is available on the web.