https://archive.org/details/elementsquaterni00hamirich/page/n13 https://archive.org/details/elementsquaterni00hamirich/page/... Hamilton's "Elements of Quaterni

https://archive.org/details/elementsquaterni00hamirich/page/n13 https://archive.org/details/elementsquaterni00hamirich/page/... Hamilton's "Elements of Quaternions"'s table of contents is about 60 pages long and includes footnotes.