Le scarpette rosseAchille Coppini, Heinrich Regel, Josef Hassreiter, Rezsö Raoul María Máder, Gustavo Macchi, Teatro alla Scala, John Milton and Ruth Neils Ward Collection (Harvard Theatre Collection) · First published 1900Open the Tome
Über englisches theaterwesen zu Shakespeare's zeitHeinrich Max Regel · First published 1895Open the Tome
Lexikalisches zu George Chapman's Homer-ÜbersetzungHeinrich Max Regel · First published 1885Open the Tome
