http://book.klll.cc/ebooks/subject/25606.opds?sort_order=title 2025-08-07T06:45:11Z Books about Social problems -- Periodicals (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-07T06:45:11Z https://book.klll.cc/ebooks/subject/25606.opds?sort_order=release_date Sort by Release Date 2025-08-07T06:45:11Z https://book.klll.cc/ebooks/subject/25606.opds?sort_order=downloads Sort by Popularity 2025-08-07T06:45:11Z https://book.klll.cc/ebooks/43625.opds Survey, Volume 30, Number 1, April 5, 1913 Various 2025-08-07T06:45:11Z https://book.klll.cc/ebooks/72425.opds Survey, Volume 30, Number 24, Sep 13, 1913 Various 2025-08-07T06:45:11Z https://book.klll.cc/ebooks/72417.opds Survey, Volume 30, Number 2, Apr 12, 1913 Various 2025-08-07T06:45:11Z https://book.klll.cc/ebooks/71519.opds Survey, Volume 30, Number 3, Apr 19, 1913 Various 2025-08-07T06:45:11Z https://book.klll.cc/ebooks/73899.opds Survey, Volume 30, Number 4, Apr 26, 1913 Various 2025-08-07T06:45:11Z https://book.klll.cc/ebooks/73922.opds Survey, Volume 30, Number 5, May 3, 1913 Various 2025-08-07T06:45:11Z https://book.klll.cc/ebooks/72427.opds Survey, Volume 30, Number 6, May 10, 1913 Various 2025-08-07T06:45:11Z https://book.klll.cc/ebooks/70514.opds Survey, volume 30, number 7, May 17, 1913 Various