... In those days another and very different Treaty of Bucarest was concluded between Prince Michael and the Bulgarian emigrants at Bucarest on January 14th, 1867.  According to this treaty Prince Michael was to rule over both Serbs and Bulgars, with identical laws for both nations, these laws to be proclaimed in "both dialects."
    This current of opinion did not cease altogether even after the establishment of the Exarchate.  In some quarters it still persisted in 1873, when the well-known Bulgarian leader, Lyuben Karavelov, wrote as follows in the Bulgarian newspaper "Nezavisimost" ("Indépendence"), then published in Bucarest:  "The Tchecs, Moravians, Slovaks, Ruthenes, and Poles ought to form one political unit, the Serbs and Bulgars ought to form a second, and the Russians a third."  Karavelov omitted to expressly mention the Croats and Slovenes, including them with Serbs as a matter of course... (The Aspirations of Bulgaria, Protić, 1915)