The open-access repository European Cultural Heritage Online (ECHO) of the Max Planck Institute for the History of Science is continuously extending its collection of sources made freely accessible as text files in xml format and/or as high-quality images via its web site echo.mpiwg-berlin.mpg.de. The following sources mentioned in the present publication and listed below are currently accessible in this way.
Table of Contents
Part 1: On this Book
3 The Book
4 Online Sources
This publication is licensed under a Creative Commons Attribution-Non Commercial-Share Alike 3.0 Germany (cc by-nc-sa 3.0) Licence.