Costs related to a vehicle necessary for field work (with prior institutional approval; the vehicle must be licensed and insured during the sabbatical period).
Direct research expenses, including research assistance, bench fees and field work expenses (including travel and accommodations) when supported by appropriate documentation.
Transportation costs to move research equipment or material to and from the sabbatical location.
Travel costs to attend conferences.
The costs of travel between the home institution and the sabbatical location, limited to one return trip ticket, except in unusual circumstances.