1) Guru Granth Sahib with 5,894 hymns. (Note this Granth was given Guruship). It has 1430 pages.
Granths by Guru Gobind Singh :-
2) Dasam Granth with 17,293 verses in 1428 pages.
3) Sarbloh Granth in 4,361 stanzas 862 pages in print.
There are number of other works by various poets like Suraj Parkash, Bhai Gurdas and Nand Lal.