In the sale and rental of housing, no one may discriminate based on race, color, national origin, religion, sex, familial status, or handicap.
Housing discrimination : law and litigation / by Robert G. Schwemm
Every landlord's legal guide / Marcia Stewart, Janet Portman & Ann O'Connell
Fair Housing-It's Your Right from HUD
What Is Housing Discrimination? from NFHA
RS 51 §2606. Discrimination in sale or rental of housing and other prohibited practices
42 USC §3604. Discrimination in the sale or rental of housing and other prohibited practices