Becareful not to create too many layers for the user to move through to get information. A menu on you top page which links to the other pages helps resolve this problem. One large document has the advantage of printing entirely as one document. Optimize use of Hyper-media. The great advantage of hypertext documents is in being able to access documents, graphics or other file which are referred to in a document.
Links can function similarly to footnotes.
They should flow with the text presenting a coherent document both on-line and in print. Many librarians turn their expertise to selecting the most useful resources on the Internet for their subject specialty. This useful information is made of even greater value when the URL for the link is rendered and if explanatory text is added. More importantly try to include some of your own local resources. Proper balance of graphics and information.