The Intercollegiate Review recently republished Frank S. Meyer's "What All Conservatives Can Agree On". This is from an analysis of the 1964 book What Is Conservatism? which is a collection of essays by Conservative thinkers and which Meyer edited.
He lists the following, though he goes into much more detail in the article:
1. An objective moral order
2. The human person as the center of political and social thought
3. A distaste for the use of state power to enforce ideological patterns upon human beings
4. A rejection of social engineering, or the "planned" society
5. The spirit of the Constitution of the United States as originally conceived, especially the division of powers between state and federal governments and between the three branches of the federal government
6. A devotion to Western civilization and an awareness of the need to defend it
Meyer claims the differences within Conservatism are primarily matters of emphasis. This does seem a good summary to me. Any thoughts?