The chapter outlines the current position and usage of the classical auxiliary historical sciences, which extended their scope of the sciences directly used to work with historical ressources and particulary to "help" the historian with history review, and became the part of the culture history them-self. It shows the transformation of their usage since their creation in the second half of the 17th century until present day on one hand and zhe return on the original function relating the digital accessibility of the historical sources on the other