TY - BOOK AU - Sprigg,Christopher StJohn,1907-1937 TI - The concept of freedom PY - 1977/// CY - London PB - Lawrence & Wishart KW - Civilization, Modern KW - 20th century KW - Middle classes N1 - Mengandungi judul-judul yang diterbitkan di dalam'Studies in dying culture, 1938, Further studies in dying culture, 1949 dan The crisis in physics, 1939'oleh pengarang yang sama ER -