 A curious essay on the drama entitled "Ha-Drama bi-Khelal we-ha-'Ivrit bi-Feraṭ" appeared as a supplement to "Ha-Meliẓ", 1868.It attracted harsh criticism from Abraham Dob Bär Lebensohn in his pamphlet "Tokaḥti la-Beḳarim", written under the pseudonym "S. Friedman" (Paperna had attacked Lebensohn's "Emet we-Emunah"), and from Joshua Steinberg ("'En Mishpaṭ").In 1869 Paperna published an article on the russification of Jews in Congress Poland, entitled "K yevreiskomu voprosu v Vislyanskom kraye" ("On the Jewish question in the Vistula Land", in "Den", No.