BiblioCraft Mod 1.13 uses 8 new types of unique storage blocks to display different items. In terms of equipment, you will see a bookcase with up to 16 books on the shelf and an Armor stand with a full set of armor.
There is also a tool rack to hang 4 different tools/weapons and a potion shelf for maximum of 12 potions. Others things include a general shelf that is a room for any 4 items, a display case for a single fancy item and a wooden label for 3 items in small scale for tasks (like indicating what is in a chest). The wooden Desk that can store up to 9 books is contained in the newest edition.