Gantt charts (http://www.gantt.com/) are one, popular way to track a project in stages.
Wikipedia. Gantt chart. Retrieved from http://en.wikipedia.org/wiki/Gantt_chart
We might even be able to use existing software, Microsoft Excel (http://www.smartsheet.com/blog/gantt-chart-excel), to make simple Gantt charts.
Alexander, W. & Holt, D.B. So you want to digitize?: Creating a digitization workflow and maximizing resources [PDF document]. Retreived from http://digitalcommons.law.scu.edu/cgi/viewcontent.cgi?article=1009&context=librarian
* Federal Agencies Digitization Guidelines Initiative. (2009, November 4). Digitization activities: Project planning and management outline. Retrieved from http://www.digitizationguidelines.gov/guidelines/digitize-planning.html
Gertz, J. Reformatting: 6.6 preservation and selection for digitization. Retrieved from https://www.nedcc.org/free-resources/preservation-leaflets/6.-reformatting/6.6-preservation-and-selection-for-digitization
JISC. Project Management for a Digitisation Project. Retrieved from http://www.jiscdigitalmedia.ac.uk/guide/project-management-for-a-digitisation-project/
Revels, I. (2010, April 1). Managing digital projects. American Libraries, 41(4), 48-50. Retrieved from http://proxy-fs.researchport.umd.edu/login?url=http://search.ebscohost.com/login.aspx?direct=true&db=edsjsr&AN=edsjsr.20700464&site=eds-live&scope=site
* University of Michigan Library. (2014, June 30). Starting a digitization project. Retrieved from http://www.lib.umich.edu/digital-library-production-service-dlps/starting-digitization-project
Lampert, C.K. (2007, March). Managing your first digital project: Lessons learned [PDF document]. Retrieved from http://works.bepress.com/corylampert/14/
* Nemmers, J., & Sullivan, M. (2012, May). Planning and managing digitization projects [PDF document]. Retrieved from http://ufdc.ufl.edu/IR00000812/00001