Бернгейм, Эрнст. Введение в историческую науку / проф. д-р Э. Бернгейм; пер. с нем. В.А. Вейнштока ; под ред. В.В. Битнера. — Санкт-Петербург: Вестник знания, 1908. — 69, [2] с.; 22 см. — Свободный доступ из сети Интернет (чтение, цитирование). — <URL:http://e-lib.nsu.ru/dsweb/Get/Resource-380/page00000.pdf>.
| Period | Read | Copy | Open | Total | |||
|---|---|---|---|---|---|---|---|
| Year 2025 | Quarter 1 | January | 6 | 0 | 0 | 0 | 6 |
| February | 13 | 0 | 0 | 0 | 13 | ||
| March | 19 | 0 | 0 | 0 | 19 | ||
| Quarter 2 | April | 16 | 0 | 0 | 0 | 16 | |
| May | 15 | 0 | 0 | 0 | 15 | ||
| June | 20 | 0 | 0 | 0 | 20 | ||
| Quarter 3 | July | 17 | 0 | 0 | 0 | 17 | |
| August | 61 | 0 | 0 | 0 | 61 | ||
| September | 25 | 0 | 0 | 0 | 25 | ||
| Quarter 4 | October | 24 | 0 | 0 | 0 | 24 | |
| November | 18 | 0 | 0 | 0 | 18 | ||
| December | 22 | 0 | 0 | 0 | 22 | ||
| Year 2026 | Quarter 1 | January | 24 | 0 | 0 | 0 | 24 |
| February | 24 | 0 | 0 | 0 | 24 | ||
| March | 18 | 0 | 0 | 0 | 18 | ||
| Quarter 2 | April | 17 | 0 | 0 | 0 | 17 | |
| May | 9 | 0 | 0 | 0 | 9 | ||
| June | 2 | 0 | 0 | 0 | 2 | ||
| Quarter 3 | July | 8 | 0 | 0 | 0 | 8 | |
| August | 7 | 0 | 0 | 0 | 7 | ||
| September | 0 | 0 | 0 | 0 | 0 | ||
| Total | 365 | 0 | 0 | 0 | 365 | ||