Robuta

https://digital.sciencehistory.org/works/4ce2qlx/viewer/lkgcbhu Postcard from August Friedrich Horstmann to Georg Bredig, November 1927 - Science History Institute... Thank you note from August Friedrich Horstmann (1842-1929) to Georg Bredig (1868-1944). august friedrich horstmann science history institute georg bredig postcard november