Отчет бюро коллектива ВКПб за время с 12 декабря 1926г. по октябрь 1927г. [Электронный ресурс]. — Электрон. данные (1 файл: 3,33 Мб). — Ленинград, 1927. — Приложение к газете "Товарищ" №5(63) за 1927 г. — Свободный доступ из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/Tovarish1927/013.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2018 | Quarter 4 | 3 | 0 | 27 | 0 | 30 |
| Year 2019 | Quarter 1 | 4 | 0 | 18 | 0 | 22 |
| Quarter 2 | 1 | 0 | 2 | 0 | 3 | |
| Quarter 3 | 5 | 0 | 5 | 0 | 10 | |
| Quarter 4 | 3 | 0 | 3 | 0 | 6 | |
| Year 2020 | Quarter 1 | 5 | 0 | 10 | 0 | 15 |
| Quarter 2 | 2 | 0 | 0 | 0 | 2 | |
| Quarter 3 | 7 | 0 | 0 | 0 | 7 | |
| Quarter 4 | 8 | 0 | 6 | 0 | 14 | |
| Year 2021 | Quarter 1 | 3 | 0 | 3 | 0 | 6 |
| Quarter 2 | 8 | 0 | 5 | 0 | 13 | |
| Quarter 3 | 12 | 0 | 8 | 0 | 20 | |
| Quarter 4 | 11 | 0 | 8 | 0 | 19 | |
| Year 2022 | Quarter 1 | 18 | 0 | 6 | 0 | 24 |
| Quarter 2 | 6 | 0 | 8 | 0 | 14 | |
| Quarter 3 | 11 | 0 | 4 | 0 | 15 | |
| Quarter 4 | 20 | 0 | 5 | 0 | 25 | |
| Year 2023 | Quarter 1 | 24 | 0 | 20 | 0 | 44 |
| Quarter 2 | 5 | 0 | 13 | 0 | 18 | |
| Quarter 3 | 5 | 0 | 19 | 0 | 24 | |
| Quarter 4 | 8 | 0 | 24 | 0 | 32 | |
| Year 2024 | Quarter 1 | 37 | 0 | 14 | 0 | 51 |
| Quarter 2 | 5 | 0 | 16 | 0 | 21 | |
| Quarter 3 | 8 | 0 | 28 | 0 | 36 | |
| Quarter 4 | 13 | 0 | 14 | 0 | 27 | |
| Year 2025 | Quarter 1 | 8 | 0 | 13 | 0 | 21 |
| Quarter 2 | 16 | 0 | 14 | 0 | 30 | |
| Quarter 3 | 3 | 0 | 1 | 0 | 4 | |
| Total | 259 | 0 | 294 | 0 | 553 | |