Professional Associations 

American Library Association (ALA); Association of Library Services to Children (ALSC); American Association of School Librarians (AASL); Young Adult Library Services Association  (YALSA)

International Association of School Librarianship (IASL)
International Board on Books for Young People (IBBY)
International Society for Technology in Education (ISTE)
Maryland Association of School Librarians (MASL)
MICCA: Maryland Association for Educators Using Technology
Pennsylvania School Librarians Association (PSLA)

Professional Journals

Booklist Online
Hornbook Magazine
Hornbook Guide
Knowledge Quest (AASL)
Library Media Connection
School Library Journal
School Library Media Activities Monthly
School Library Media Research (AASL)

State Departments

Maryland State Department of Education
Pennsylvania Department of Education

Other

Mona Kerby Web Page
CCBC Choices Essays on Publishing Trends
The CREW Method of Weeding
The Digital Pencil
Grandview Elementary School Blog
Joyce Valenza's School Library
LM_NET on the Web
LM_NET Wiki Annex
National Board Certification
The Office for Intellectual Freedom (ALA)
Society of Children’s Book Writers and Illustrators (SCBWI)
SCBWI MD/DE/WV Regional Chapter

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