The Center for Disaster Philanthropy has released the Disaster Philanthropy Playbook:  https://philanthropy.com/article/New-Playbook-Helps/234944?cid=pt&utm_source=pt&utm_medium=en&elq=b7081e2b19534a369edd976abd59a463&elqCampaignId=2235&elqaid=7551&elqat=1&elqTrackId=848e886213194b2ba37a3db0bfe5e4e3