* Aron Samuel Kaydanover: "''[https://books.google.de/books?id=VZVCAAAAcAAJ&printsec=frontcover&redir_esc=y#v=onepage&q&f=false Sēfer Qav hay-yāšār]''" | * Aron Samuel Kaydanover: "''[https://books.google.de/books?id=VZVCAAAAcAAJ&printsec=frontcover&redir_esc=y#v=onepage&q&f=false Sēfer Qav hay-yāšār]''" |