Links to Purchase screenplays/on-line screenplay sources:

Dailyscript

Hollywoodbookcity

Madmorgan

Scriptfly

Script-o-rama

Scritpimp.com

Scriptshack.com

Simplyscripts

Screenwriting Resources:

Screenplay

Screenwritersutopia

Screenwriting.about

Singlelane

Screenwriting Competitions and Fellowships:

American Cinema Foundation Screenwriting Competition - A theme based competition that elicits scripts suitable for either theatrical or television production which tells a positive story about specific fundamental values and their importance to society.

American Film Institute/Maui Writers Conference Screenwriting Competition - Offers aspiring screenwriters exposure to industry professionals. Contest judges are representatives from top entertainment, production and management companies.

Asian American International Film Festival Screenplay Competition

IndieProducer - Online resource for producers and screenwriters has annual screenplay contest

International Screenplay Competition - The American Screenwriters Association and Writer's Digest magazine present the International Screenplay Competition

Massachusetts Film Office Screenwriting Competition -

Sir Peter Ustinov Television Scriptwriting Award - Presented to a writer who lives outside the U.S. and is under 30 years of age ­ and who has never before had a script produced for television.

Industry Guilds and Associations:

WGA

Actors Equity Association - The labor union representing over 40,000 American actors and stage managers working in the professional theatre.

AFL-CIO - The American Federation of Labor-Congress of Industrial Organizations (AFL-CIO) is the voluntary federation of America's unions, representing more than 13 million working women and men nationwide.

AFTRA - The American Federation of Television and Radio Artists is a national labor union affiliated with the AFL-CIO. Its headquarters are in New York City and there are 36 local offices throughout United States.

American Federation of Musicians - With over 250 local unions throughout the United States and Canada, the largest union in the world representing the interests of the professional musician.

American Film Marketing Association (AFMA) - A trade association providing the independent motion picture and television industry with marketing support services such as the American Film Market (AFM), government relations, international affairs advocacy, an arbitration program, statistical data, and information services.

American Guild of Musical Artists - The labor organization that represents the men and women who create America's operatic, choral and dance hearitage.

Association of Independent Video and Filmmakers (AIVF / FIVF) - The largest national organization representing independent media artists working at all levels across all genres.

Directors Guild of America - The Directors Guild of America represents more than 12,000 members working in U.S. cities and abroad.

Dramatists Guild - The only professional association for playwrights, composers, and lyricists. Membership is open to all dramatic writers, regardless of their production history

IATSE - The IATSE is the labor union representing technicians, artisans and craftspersons in the entertainment industry, including live theatre, film and television production, and trade shows.

National Association of Television Program Executives (NATPE) - The alliance of media content professionals, is the world's largest and most influential nonprofit television programming and software association dedicated to the continued growth and convergence of all content across all media.

Producers Guild of America - An organization of skilled television, feature film and new media professionals qualified to organize and supervise videotape, film and new media productions. Their purpose is to promote and encourage the continuing education and employment of its members.

Screen Actors Guild (SAG) - Provides competitive wages and safe, excellent working conditions for their members.

Society for Cinema Studies (SCS) - Society for Cinema Studies is a professional organization composed of college and university educators, filmmakers, historians, critics, scholars, and others concerned with the study of the moving image.

Society of Stage Directors and Choreographers - An independent labor union for Stage Directors and Choreographers. Member representatives of the organization collectively bargain contracts with producer organizations, thus creating the national standards for professional stage direction and choreography.

Teamsters - The motion picture division.

The American Screenwriters Association - Organized for educational purposes, including the promotion and encouragement of the art of screenwriting, helping to develop screenwriters to the point they are working professionally and can obtain membership in the Writers Guild.

The Directors Guild of America - The DGA is here to serve and protect member rights in the arena of filmmaking.

The Motion Picture Association (MPA + MPAA) - Serve as the voice and advocate of the American motion picture, home video and television industries, domestically through the MPAA and internationally through the MPA.

The Motion Picture Editors Guild - - An entertainment labor union representing picture, sound, music, assistant, animation, technical directors, librarian and apprentice motion picture editors.

Union Network International - Their job is to help affiliated unions and their members to put people first in this increasingly globalised economy. The Writers Guild East is an affiliated member.