Марголин, Зиновий Иосифович. История обучения слепых [Электронный ресурс]: учеб. пособие для пед. ин-тов / З. И. Марголин. — Электронные данные (1 файл : 17,1 МБ). — Москва: Учпедгиз, 1950. — Загл. с титул. экрана. — Доступ из локальной сети СПб ГБУК ГБСС (чтение, печать). — Adobe Acrobat Reader 6.0 и выше, Adobe Flash Player. — <URL:http://tlib.gbs.spb.ru/dl/041_247872.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2017 | Quarter 4 | 1 | 0 | 0 | 0 | 1 |
| Year 2018 | Quarter 1 | 0 | 0 | 1 | 0 | 1 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2019 | Quarter 1 | 1 | 0 | 0 | 0 | 1 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2020 | Quarter 1 | 1 | 0 | 0 | 0 | 1 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2021 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 1 | 0 | 1 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2022 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 1 | 0 | 0 | 0 | 1 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Year 2023 | Quarter 1 | 1 | 0 | 0 | 0 | 1 |
| Quarter 2 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 0 | 0 | 0 | 11 | 11 | |
| Year 2024 | Quarter 1 | 1 | 0 | 0 | 1 | 2 |
| Quarter 2 | 1 | 0 | 0 | 7 | 8 | |
| Quarter 3 | 7 | 0 | 0 | 8 | 15 | |
| Quarter 4 | 0 | 0 | 0 | 0 | 0 | |
| Total | 14 | 0 | 2 | 27 | 43 | |