Reader Michael Goeller has kindly given his links to this gambit and related openings. Check them out!!
full Urusov bibliography
Modern Attack vs the Two Knights/Scotch Gambit
Max Lange Attack
He didn’t mention the excellent article on the Dimock Theme Tournament, New York 1924 which featured the Urusov.
The Kenilworthian also has a nice post on the Urusov but other Dimock theme tournaments on the Greco Counter Gambit (1.e4 e5 2.Nf3 f5), Danish Gambit (1.e4 e5 2.d4 exd4 3.c3), Vienna Gambit (1.e4 e5 2.Nc3 Nf6 3.f4), Giuoco Piano, Sicilian Wing Gambit (1.e4 c5 2.b4) and many others.