For more information about the publication "Soviet historical encyclopedia" found in an article entitled: * Historical Encyclopedia * Preface to the First Edition * List of major cuts made in the Soviet Historical Encyclopedia * Making a bibliography * Description of periodicals * The implied bibliography * Major reduction in bibliographic descriptions * The names of cities and states * The elements of the bibliographic description Key Features: 1. functional user interface 2. Quick search filter 3. Pronunciation of words (TTS - Text-To-Speech) 4. Learning function ( Flash Cards ) 5. Favorites - Add the word to your favorites list. 6. Bookmarks - Create a bookmark and add the word to your favorites. 7. History - Saving the scanned words in history. 8. Note - Add a note to the words. 9. Backup / restore from file or Dropbox (Backup / Restore) Features: 1. Editing words 2. Add new words 3. Last queries 4. Button "Random Word» 5. Search the clipboard 6. Share the word 7. Export Data 8. Support Android N (7) 9. Contextual search words 10. Contextual pronunciation words 11. A multiple mode (long press) 12. Sort your list of favorites 13. delete confirmation dialog box 14. Search by voice recognition Various settings 1. Night mode 2. Change the text size 3. Change the interface colors 4. Manage History, Favorites, Bookmarks and notes. 5. Visibility tab - Show / Hide tab. 6. Change the direction of the language You can send your suggestions, comments and legal issues associated with paved at this address. ttdicpro@gmail.com