The second classification is based on what impact the selected sources can have on a particular process in history. It can be some kind of action, or social relations in society. This is a kind of species classification from, which makes it possible to accurately determine and track the process of evolution of selected sources.

Conventionally, such a classification can be defined as:

- public legal acts;

- treaties (international treaties of a certain time period);

- judicial procedural documents;

Etc.

This also includes private acts of a contractual type or administrative type, clerical documents, private letters.

What gives us the right work with historical sources

The Historical Source is the leading teaching tool in the history department. But in fact, the value of this indicator is still ambiguous. The significance of historical materials is often determined the fact that by working with them, the student adapts to the subsequent professional activity. Based on this, it should be noted how important it is for a student to know and use exactly those classifications of materials that are necessary in a particular topic. If initially it is correct to organize the workflow, then the student will learn how to rationally use his personal time to write the work. That is, the search for the necessary materials for coursework, as well as the competent classification of such materials, gives us a productive way of learning.

Historical science solves certain tasks before the public. To do this, she has her own methods, including the search for historical documentation. Since the main difference help writing a college paper between history and other sciences is that all the facts and phenomena studied cannot be proved, except how to use the materials according to their evidence. That is, in other words, concrete historical facts constitute science itself. Historians operate on these facts. In addition to written sources, other materials have survived to this day, for example, folklore, epics, documents and acts. This is also considered the basis of the information that is given to us for study.