source book

A book that serves as a primary reference or original source of information, often used in research, academic study, or documentation.

• 🇷🇺Книга, которая служит основным справочником или первоисточником информации, часто используемая в исследованиях, академическом изучении или документации.

1. Reference or compilation B2 formal

   A book that collects original documents, texts, or primary materials on a specific subject for study or research.

   • The history professor assigned a source book of ancient Roman letters.
   • This source book contains all the key legal documents from the 18th century.
   • Students used a source book of poetry to analyze the original manuscripts.

   🇷🇺Сборник первоисточников