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: Church Year C

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".  You can access these bible helps at: bible.crosswalk.com  

Another online bible is the Oremus Bible browser found at: bible.oremus.org   

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