Logos.com has
https://www.logos.com/product/18527/faith-in-the-new-testament-by-adolf-schlatter-english-and-german from Adolf Schlatter
https://www.logos.com/product/40813/schlatters-new-testament-theology from Adolf von Schlatter
which will trick visitors of either product page who click the Author name mislead into thinking that the page they are on is the only product by the author in Logos.
(Background: it seems that Adolf Schlatter was awarded a nobility title from the State of Württemberg in 1912, thus the official German biographical reference database lists him with "von" , however they put the nature of his nobility status in a parenthetical add-on since it is very unusual to be cited).
Please resolve in a consistent way.