“Arithmancy is a magical discipline that studies the magical properties of numbers, including...Arithmancy
“Numerology is a magical discipline relating to numbers that appears to be part of, similar to...Numerology
“Numerology and Grammatica is an Arithmancy textbook used by Third year students at Hogwarts...Numerology and Grammatica
“Numerology was a book on the magical discipline of Numerology, authored by L. Wakefield. Harry...Numerology (book)
This category has the following 2 subcategories, out of 2 total.