The HathiTrust Research Center (HTRC) is seeking proposals for Advanced Collaborative Support (ACS) project awards. These awards are modeled in the form of HTRC staff time to collaborate on the proposed project during the award period. Awardees can be individual scholars or a team of scholars. The HTRC ACS-dedicated staff will provide a general overview of HTRC components, the HT corpus and HT computational tools, to the awardees over the course of the projectís time period. Proposals should be between 4 and 7 pages, and include project narrative, schedule of completion and list of deliverables. Full details of required components can be found in the full ACS RFP, available here: https://www.hathitrust.org/htrc_sp16_acs-rfp Proposals are due by 5:00 pm Eatern, May 2, 2016, submitted electronically. For any questions or to submit your proposal, email [log in to unmask]<mailto:[log in to unmask]>.