History and Geography Culture Grams* Culture reports of all U.S. states, Canadian provinces, and most countries. Available in World Edition, Kids Edition, States Edition, and Provinces Edition. Provided by Discus. History Reference Center* History Reference Center® is a comprehensive full text history reference database designed for secondary schools, public libraries, junior/community colleges, and undergraduate research. Provided by DISCUS. World Data Analyst* Resource for retrieving, comparing, and customizing data on the world’s nations, for 6th grade students through adults. Provided by DISCUS.