Volume 325 of Rudolf Steiner's Complete Works
Section of the the Complete Works:
Lectures on Natural Science

A cosiderably expanded and much more up-to-date version of this database is available in the Aelzina Books Complete Works Database.

German Title:

Die Naturwissenschaft und die weltgeschichtliche Entwickelung der Menschheit seit dem Altertum

Title in Literal English Translation:

Natural Science and the World-Historical Development of Humanity since Ancient Times

Notes on the German Editions:

Known Lecture Dates in the German Volume:

Dornach: 1921-05-15 
Dornach: 1921-05-16 
Stuttgart: 1921-05-21 
Stuttgart: 1921-05-22 
Stuttgart: 1921-05-23 
Stuttgart: 1921-05-24 

Total Lectures in the German volume: 6

English Publishing History:

Online Sources:

If volume 325 of the Complete Works is available online in the RSArchive, it will be here. (If not, you will get the main page listing all the books that the archive currently has online.)

Other online sources: None known.

The information above is believed to be accurate, but may not be complete. Translation of GA title by Daniel Hindes. Assembled by Daniel Hindes with much help.