The fingering for the various chords is indicated the following links. The back circles indicated which fret to press on which string of the guitar. The small numbers on the black circles are recommended fingering. 1 is the index finger 2 is the middle finger etc....

From Guitar Chords, by Gary Turner and Brenton White, scanned without permission.

Major
Minor
Seventh
Major Seventh
Minor Seventh
Suspended 4th
Seventh Suspended 4th