Original: Finally Wilhelm Ostwald 's journal Annalen der Naturphilosophie printed a German edition in 1921 , and Routledge 's Kegan Paul printed a bilingual edition with Russell 's introduction and the Ramsey-Ogden translation in 1922 .
Simplified: In the end Wilhelm Ostwald 's journal Annalen der Naturphilosophie printed a German edition in 1921 , and Routledge 's Kegan Paul printed a bilingual edition with Russell 's introduction in 1922 .