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This category has the following 4 subcategories, out of 4 total.
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Category:Educational organizations disestablished in 1931
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402:Educational organizations established in the 1930s
397:Educational organizations by year of establishment
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240:Educational institutions established in 1931
305:This list may not reflect recent changes
216:Education companies established in 1931
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366:Utah's Hogle Zoo
407:1931 in education
330:Groote Schuur Zoo
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244:(2 C, 119 P)
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318:Chester Zoo
288:(1 C, 20 P)
391:Categories
354:Prague Zoo
342:Oxford Zoo
48:category
50:is for
264:(3 P)
220:(1 P)
183:1980s
178:1970s
173:1960s
168:1950s
163:1940s
157:1930s
151:1920s
146:1910s
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