Complete readings from the Revised Common Lectionary from the New Revised Standard Version of the bible. There may occasionally be an exception for lesser festivals that fall on Sundays. A link to the ELCA lectionary is provided below. 

ELCA Worship  Various worship resources

bible.crosswalk.com An excellent resource which includes a searchable online bible with multiple translations, including NRSV; as well as bible tools including: a one year bible, with or without a progess chart and optional "Real Audio". 

bible.oremus.org  Another online bible is the Oremus Bible browser.  

www.textweek.com  is an all around resource for pericope studies, sermon helps, worship planning, children's lessons, illustrations, etc., which is tied to the Revised Common Lectionary.