IF you're still looking for these obituaries, contact the Los Angeles Public Library, www.colapublib.org/contactus/
for Gertrude's. They will look for free.
They might ask you to look up her death certificate to find out where she was living before she died.
There is an obituary volunteer for Long Beach. Her contact info is at freepages.genealogy.rootsweb.ancestry.com/~obitl/volca.html
Scroll down to Los Angeles Co.