| Bălgarskijat ezik - problem No. 1 v učilišteto = Bulgarian language - most important problem in school / Vălčev, Bojan |
| Rekapitulacija na văzroždenskite filologičeski postiženija (140 godini ot pojavata na Gramatika za novobălgarskyja ezyka ot Ivan Momčilov) = Summing up the philological achievements of the National Revival (140 years since the publication of Ivan Momčilov's Grammatika za novobălgarskyja ezik [Grammar of Modern Bulgarian] / Vălcev, Bojan |
| Părvata bălgarska gramatika 170 godin ot publikuvaneto na Rukovodstvo na Slavennobolgarskaja grammatika ot Neofit Chilendarski (Bozveli) i Emanuil Vaskidovič = Pervaja bolgarskaja gramatika ; 170 let so dnja opublikovanija Rukovodstvo na Slavennobolgarskaja grammatika Neofita Chilendarskogo i Ėmmanuila Vaskidoviča = The first Bulgarian Grammar ; 170 years since the publication of A Handbook of Slav-Bulgarian Grammar by Neofit Hilendarski (Bozveli) and Emanuil Vaskidovič / Vălčev, Bojan |
| Părvijat opit za pălno opisanie na novobălgarskija ezik (170 godini ot napisvaneto i 7 godini ot ... izdavaneto na "Grammatika nyněšnjago Bolgarskago narěčija" ot Jurij Venelin) = Pervaja popytka polnogo opisanija novobolgarskogo jazyka (170 let so dnja sozdanija i 7 let so dnja ... izdanija "Grammatika nynesnjago Bolgarskago nareija" Jurija Venelina) = The first attempt at a comprehensive description of Modern Bulgarian (170 years since J. Venelin wrote his Grammar and 7 years since its first publication) / Vălčev, Bojan |
| Poslednata predosoboždenska gramatika (135 godini ot săzdavaneto na "Načala bălgarska gramatika" ot Todor Šiškov) = The last pre-liberation grammar (135 years since the appearance of Todor Šiškovs's Načalna bălgarska gramatika) / Valčev, Bojan |
| Bălgarskata literatura prez poslednite 25 godine = Bulgarian literature in the last 25 years / Vălčev, Bojan |
| Koja v dejstvitelnost parvata bălgarska gramatika? = Which is in fact the first Bulgarian grammar? / Vălčev, Bojan |