Home
Latest Issues
About
Help
Contact
Log in
Advanced Search
Year
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
TO
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
Month
september
198
Type
issue
198
Paper
Helper Journal
198
Filters:
Paper:
"Helper Journal"
Type:
"issue"
Month:
"september"
Type:
issue
101
-
125
of
198
<
1
2
3
4
5
6
7
8
>
Gallery view
Number of results to display per page
10
25
50
100
200
Sort by Date ascending
Sort by Date descending
Sort by Relevance
Paper T2Cdate Tdt2Ccreated
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
101
-
125
of
198
<
1
2
3
4
5
6
7
8
>