Surgery Instructions: 
Surgery and Pre-Op Information
NMG Otolaryngology Patient Instructions for Surgery (printable)
Resources for Sinus and Nasal Disease:
Nasal Saline Irrigation Systems
Nosebleeds 101 + Nasal Saline Gels
Information on Nasal and Sinus Disease (external links)
Understanding Allergy & Asthma:
Introduction to Nasal Allergies
What Every Asthma Patient Should Know (American Lung Association)
How is Asthma Controlled and Treated? (NIH)