- 1. Classical Versions and Some Historical Notes. - 2. Generalizations
to Bounded Nonnormal Operators. - 3. Asymptotic Versions. - 4.
Generalizations of the Fuglede-Putnam Theorem to Banach Algebras and
Spaces. - 5. Generalizations to Unbounded Operators. - 6. Some
Applications. - 7. Some Other Intertwining Relations. - 8. Conjectures.