What is the value of a 1965 Barbie doll?

These are the Barbie dolls that were sold in 1965. You can look them up individually on ebay.

1. Bend leg/American Girl blonde, two shades, two different hair parts

2. Bend leg/American Girl brunette, two shades, two different hair parts

3. Bend leg/American girl redhead/titian, two different hair parts

4. Dressed doll American Girl in #1642 Slumber Party, sold only in Japan

5. Hostess gift set

6. Living Room Furniture gift set