Biography (written by Elfride Heidegger) in Heidegger-Blochmann Correspondence, p. 121 [link; German first, scroll for English]

Nachwort/Afterword (written by Joachim W. Storck) in Heidegger-Blochmann Correspondence, pp. 125-129 [link; German first, scroll for English]

Biographical Timeline in Heidegger-Blochmann Correspondence, pp. 131-134 [German; English]