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
january
1,549
february
1,484
march
1,722
april
1,592
may
1,593
june
1,590
july
1,549
august
1,636
september
1,697
october
1,726
november
1,610
december
1,943
Type
page
17,305
issue
2,386
Paper
Helper Journal
19,691
Filters:
Paper:
"Helper Journal"
1
-
200
of
19,691
<
1
2
3
4
5
6
7
8
9
10
>
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
File is restricted
Your browser does not support the video tag.
Your browser does not support the audio tag.
1
-
200
of
19,691
<
1
2
3
4
5
6
7
8
9
10
>