000s General knowledge, systems, computer science 050s General serial publications
010s Bibliography 060s General organizations & museology
020s Library and information sciences 070s Documentary media, educational media, news media, journalism, publishing
030s General encyclopedia works 080s General collections
040s Unassigned 090s Manuscripts, rare books, other rare printed materials
Generative Artificial Intelligence by 
The College Student's Research Companion by 
Reference Shelf: Book Bans and Censorship by 
The Craft of Research, Fifth Edition by 
The Secret Lives of Booksellers and Librarians by 
Reference Shelf: New Developments in Artificial Intelligence by 
What Works in Community News by 
