Bliss Classification is faceted. It describes the connections between things. Any class can be combined with any other class which follows it in the schedules.
LCC is not a general system for categorizing knowledge; it is a guide to the books in your library. Bliss is a general system for organizing knowledge.
Bliss 1 was published between 1940-1953. Bliss 2 (“BC2”) was begun in 1977 and not finished until 2003!
Two philosophers from whom Bliss borrows extensively are Auguste Comte and Shiyali Ramamrita Ranganathan.