speaks of him in the bull _Magna sicut dicitur_ of August 12, 1227.

Sbaralea, Bull, fr., i., p.
33 (Potthast, 8007).

Thomas of Tuscany, _socius_ of St.
Bonaventura, knew him and speaks of him in his _Gesta Imperatorum (Mon.germ.hist.

script._, t.

22, p.