"Of the five House Calendars, the Private Calendar is the one to which all Private Bills are referred. Private Bills deal with specific individuals, corporations, institutions, and so forth, as distinguished from public bills which deal with classes only"

This quote by Howard Coble is referring to the 5 House Calendars, which are used to arrange expenses that are being thought about by the House of Representatives. The Private Calendar is the one to which all Private Bills are referred. Private Bills are bills that specify to individuals, corporations, institutions, and other entities, as opposed to Public Bills which are bills that impact classes of people. This quote is stressing the significance of the Private Calendar, as it is the one to which all Private Bills are referred. It is important to keep in mind that Private Bills are not necessarily more important than Public Bills, but they are merely various because they are specific to individuals or entities, instead of classes of individuals.