Proposals
http://www.io.com/~hcexres/tcm1603/acchtml/props.html
From Online Technical Writing, this document describes types of proposals, their organization and format, and the common sections in a proposal. Included are several sample proposals and a revision checklist.

Writing Research Proposals
http://www.cpsc.ucalgary.ca/Research/grouplab/699/
research_proposal.html
This site shows scientists, engineers, and technologists how to write research proposals.

Engineering Proposals
http://writing.colostate.edu/references/documents/proposal/
index.cfm
This site shows engineers how to write different types of proposals, from grants to bids.