Brian, of AncestorsAtRest, has a nice collection of Funeral Cards and Memorial Death Cards online.
Funeral cards are an overlooked genealogical resource. They often contain both the Birth date and Death date of an individual, and sometimes information about burial or funeral services is also provided. Some Funeral Cards contain photos of the deceased.
Funeral cards were meant to be sent out to family and friends to let them know an individual had died, and to inform them of funeral arrangements.
Memorial cards were just that - a card sent out to family and friends in remembrance of a loved one's death.
For help finding other death records when you can't find a death certificate, the free Ancestor Death Record Finder may be of help.
Lots of good tips and links to help you find alternate death records.