94:
21:
69:
99:
45:
88:
49:
73:
17:
33:
This category has the following 2 subcategories, out of 2 total.
8:
24:, which are published once per two years.
7:
66:
35:
27:
14:
22:Category:Biennial publications
1:
16:For publications published
116:
20:. Not to be confused with
95:Periodicals by frequency
70:Biannual magazines
100:Semiannual events
46:Biannual journals
107:
75:
68:
51:
115:
114:
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26:
12:
11:
5:
113:
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102:
97:
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64:
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44:
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28:
13:
10:
9:
6:
4:
3:
2:
112:
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98:
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93:
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90:
71:
67:
62:
61:
58:
47:
42:
41:
38:
34:
30:Subcategories
29:
25:
23:
19:
32:
18:twice a year
15:
74:(1 C, 44 P)
89:Categories
50:(753 P)
91::
72:
48:
59:M
39:B
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