Answer:
B. a website called blumesvolunteerwork.org that outlines Blume's volunteer work specifically
F. a website called blumesbooks.org that lists each of her books and explains what events, experiences, or people from her life inspired her to write each one
Step-by-step explanation:
The information in Source 1 alludes to Blume's volunteer work in the last sentence. Further information about her volunteer work can be found at blumesvolunteerwork.org.
Source 1 also talks about the books Judy Blume has written. Details about these books can be found at blumesbooks.org.