Other
Basic Judaism: Jewish Holy Days
This resource provides a great description of the various Jewish holy days. Read about the various holy days, when they occur every year, what the purpose of each of the holy days is, and how these special days are celebrated.
Other
Aish.com: Counting the Omer With Aish
Provides links to four articles dealing with the counting of the Omer and Lag B'Omer.
University of Calgary
Sources: The Tragic History of the "Omer" Season
This resource provides information behind the Omer. Also traces the observance of the ritual among Ashkenazic Jews.
Other
Jewish Path: Notes on Counting the Omer
Many questions and answers about the Omer. Describes such things as when Jews should begin counting the Omer and what to do if the counting is skipped one night.
Other
Torah Tots
What's the story behind Pesach/Passover? Use this informative site to learn more about the traditions behind this Jewish religious holiday.
Judaism 101
Judaism 101: The Counting of the Omer
Provides historical background. Also explains why it is that Jews count the Omer. Provides the dates of Lag B'Omer.