There is a vast amount of information out there. The following brief selection is just to give you a taster.

Expedition Planners’ Handbook and Directory, (published by the Expedition Advisory Centre of the Royal Geographical Society (with The Institute of British Geographers) at 1 Kensington Gore, London SW7 2AR.)
The bible for all expedition planners. The EAC also produce manuals on field techniques and logistics, as well as organising an annual expedition planning seminar.

Past expedition reports. A selection are held at the Royal Scottish Geographical Society, 40 George Street, Glasgow G1 1QE. Tel: 0141 552 3330.
Saves you re-inventing the wheel and will give you contacts you can tap up.

Stay Healthy Abroad (1995) by Rob Ryan (Health Education Authority)

The Foreign & Commonwealth Office website at: http://www.fco.gov.uk/

See their travel advice section for up to date safety information on countries around the world

World Wise: Your Passport to Safer Travel, (ISBN 1-900-34114-X Developed by the Suzy Lamplugh Trust)

Medical Advisory Services for Travellers Abroad
Travellers in the UK can obtain a Health Brief by telephoning the Travellers' Health Line on 09068 224100. Their website is at www.masta.org

British Airways.
Their health clinics and website can provide vaccination and advice on health matters:
http://www.britishairways.com/travel/healthclinintro/public/en_gb

The Tropical Traveller by John Hatt (Penguin)

The Traveller’s Handbook, WEXAS

The Directory of Grant-Making Trusts (Charities Aid Foundation)

The business reference section of most libraries will repay a trawl. You will find guides to trusts, directories of companies that make donations and guides to fund-raising.