Gottlieb Schumacher

The Jaulân: Surveyed For The German Society For The Exploration Of The Holy Land

Across The Jordan, Being An Exploration And Survey Of Part Of Hauran And Jaulan

Northern Ajl N, 'within The Decapolis'

Pella

The Jaulân: Surveyed For The German Society For The Exploration Of The Holy Land

The Jaulan

Across The Jordan: Being An Exploration And Survey Of Part Of Hauran And Jaulan