All of the credit goes to the people who have written these books, this is merely a tool to sort them and give them to you all in one place.
History of Magic)
A History of Magic: https://www.hogwartsishere.com/library/book/39/

Ancient Runes)
Gardiner's Sign List: A MAgical Addendum: https://www.hogwartsishere.com/library/book/5288/
Rune Dictionary: https://www.hogwartsishere.com/library/book/1863/

Care of Magical Creatures)
Diverse Dragonology (Year 7): https://www.hogwartsishere.com/library/book/207/
The Care of Magical Creatures Companion Guide: https://www.hogwartsishere.com/library/book/3455/

Potions)
Magical Drafts and Potions: https://www.hogwartsishere.com/library/book/2884/
Mama Val's Quick Remedies: https://www.hogwartsishere.com/library/book/2884/
Peregrin Tugwood's Guide To Looking Great (and Feeling Fine): https://www.hogwartsishere.com/library/book/2825/

Not Sure Which Subject)
Rapa Nui and Rongorongo: Isolated and Elusive: https://www.hogwartsishere.com/library/book/7405/
The Magical Mediterranean: https://www.hogwartsishere.com/library/book/10442/

Extra Reads)
The Essential Guide to Hogwarts Portraiture, Ed. II: https://www.hogwartsishere.com/library/book/3140/