Film Appreciation
Young Vito at Ellis IslandHere are a few useful links:

The Internet Movie Data Base lists nearly every movie that has been filmed.

IMDb is the world’s largest collection of movie, TV and celebrity info. They aim to list every detail about every movie and TV show ever made, including who was in it, who made it, the plot, user ratings, trailers, photos, reviews, quotes, goofs, trivia and much more.

Hitchcock by Francios Truffaut - This document takes a few minutes to load. 
One is ravished by the density of insights into cinematic questions...Truffaut performed a tour de force of tact in getting this ordinarily guarded man to open up as he had never done before (and never would again)...If the 1967 Hitchcock/Truffaut can now be seen as something of a classic, this revised version is even better.
- Phillip Lopate The New York Times Book Review

Alfred Hitchcock Technique Video Part 1
Alfred Hitchcock Technique Video Part 2
Alfred Hitchcock Technique Video Part 3

The Godfather Trilogy
Here are links to videos of specific scenes listed on the Godfather packet.

 The Godfather Part I
"It's strictly business"
"Don't ever take sides against the family"
The "Godfather Wars" sequence
Fruit and Death

Vito / Bonasera - opening scene
Michael and Vito talk
Vito's Death

Godfather II
Young Vito at Ellis Island
"You're nothing to me"

Window Symbolisms 
Michael has Fredo Killed
"My offer is nothing"

Godfather III
Anthony Sings to Michael the Godfather Theme Song
Ending Scene - lashback and Michael dies