He then taught at the Berlin School of Religion, teaching Hebrew and German to the upperclassmen and Latin and Greek to the younger students.
"[4] "Nul aujourd'hui", wrote the Revue de l'Orient latin, "ne pourrait occuper avec les mêmes titres et la même autorité qui lui la grande place qu'il laissera vide dans le domaine spécial de nos études.
"[5] His scholarly reputation was such that in 1940 American historian John L. La Monte described his Geschichte des Königreichs Jerusalem as "a masterful history which left little to be desired", although it was written in "ponderous German"; La Monte favoured it in comparison to the recently published French history by René Grousset.
[6] Although the Geschichte is now out of date, Röhricht's other magnum opus, the Regesta Regni Hierosolymitani, remains useful to modern crusade historians; it is a collection of over nine hundred charters and other documents issued from the royal chancery of the Kingdom of Jerusalem, which, until edited and published by Röhricht, had remained scattered throughout dozens of other medieval cartularies.
But the title does not give any idea of the exhaustive method in which the subject has been treated; the completeness is such that the book, which has rightly been described as 'indispensable' to students of Palestinian geography, will be found of great service in many other fields.