AggelosTodor Popnedelev, Dimitŭr Simeonov Angelov, Vladimir Angelov, Georgi N. Nikolov · First published 2018Open the Tome
Kratŭk rusko-bŭlgarski politekhnicheski rechnikTodor Nikolov Penchev · First published 2004Open the Tome
Osnovi na paleontologiiata i istorichnata geologiiaTodor G. Nikolov · First published 1996Open the Tome
Edin zhivot za knigiteTodor Borov, Ivan Nikolov Radev, Marin Kovachev · First published 1991Open the Tome
Les ammonites de la famille Berriasellidae Spath, 1922Todor G. Nikolov · First published 1982Open the Tome
Naroden muzei, Stara ZagoraMangov Todor, Dimitŭr Nikolov, Stara Zagora (Bulgaria). Naroden muzei · First published 1961Open the Tome
