Links:
[1] http://www.democraticwhip.gov/sites/default/files/attachments/139NightlyLeader111810.pdf
[2] http://thomas.loc.gov/cgi-bin/bdquery/z?d111:HR1722:/
[3] http://thomas.loc.gov/cgi-bin/bdquery/z?d111:HConRes329:/
[4] http://thomas.loc.gov/cgi-bin/bdquery/z?d111:HRes1677:/
[5] http://thomas.loc.gov/cgi-bin/bdquery/z?d111:S3774:/
[6] http://thomas.loc.gov/cgi-bin/bdquery/z?d111:HR6419:/
[7] http://www.democraticwhip.gov/
[8] http://www.democraticwhip.gov/category/press-types/nightly-whip
[9] http://www.democraticwhip.gov/category/mailing-list/nightly-whip