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PaperDatePageArticle TitleType
1 Helper Journal1927-08-184page
2 Helper Journal1931-02-052page
3 Helper Journal1931-03-056page
4 Helper Journal1931-03-196page
5 Helper Journal1931-04-026page
6 Helper Journal1931-04-028page
7 Helper Journal1931-04-306page
8 Helper Journal1931-06-252page
9 Helper Journal1931-07-236page
10 Helper Journal1931-08-138page
11 Helper Journal1931-09-033page
12 Helper Journal1931-10-016page
13 Helper Journal1931-11-122page
14 Helper Journal1932-01-072page
15 Helper Journal1932-01-077page
16 Helper Journal1932-03-175page
17 Helper Journal1932-04-141page
18 Helper Journal1932-04-211page
19 Helper Journal1932-04-214page
20 Helper Journal1932-04-281page
21 Helper Journal1932-05-051page
22 Helper Journal1932-06-021page
23 Helper Journal1932-06-301page
24 Helper Journal1932-07-073page
25 Helper Journal1932-08-044page
26 Helper Journal1932-08-252page
27 Helper Journal1932-09-014page
28 Helper Journal1932-09-081page
29 Helper Journal1932-09-082page
30 Helper Journal1932-09-221page
31 Helper Journal1932-09-291page
32 Helper Journal1932-10-083page
33 Helper Journal1932-10-087page
34 Helper Journal1932-11-241page
35 Helper Journal1932-12-011page
36 Helper Journal1933-03-022page
37 Helper Journal1933-03-024page
38 Helper Journal1933-03-042page
39 Helper Journal1933-03-164page
40 Helper Journal1933-03-232page
41 Helper Journal1933-05-126page
42 Helper Journal1933-06-026page
43 Helper Journal1933-06-232page
44 Helper Journal1933-07-071page
45 Helper Journal1933-07-074page
46 Helper Journal1933-07-214page
47 Helper Journal1933-07-286page
48 Helper Journal1933-08-182page
49 Helper Journal1933-09-082page
50 Helper Journal1933-10-061page
51 Helper Journal1933-10-136page
52 Helper Journal1933-11-108page
53 Helper Journal1933-11-176page
54 Helper Journal1934-04-205page
55 Helper Journal1934-05-181page
56 Helper Journal1934-08-031page
57 Helper Journal1934-08-105page
58 Helper Journal1934-09-071page
59 Helper Journal1934-09-076page
60 Helper Journal1934-10-191page
61 Helper Journal1934-10-192page
62 Helper Journal1934-11-022page
63 Helper Journal1934-11-091page
64 Helper Journal1935-01-251page
65 Helper Journal1935-04-051page
66 Helper Journal1935-05-241page
67 Helper Journal1935-06-211page
68 Helper Journal1935-07-121page
69 Helper Journal1935-08-308page
70 Helper Journal1935-11-152page
71 Helper Journal1936-02-071page
72 Helper Journal1936-02-142page
73 Helper Journal1936-04-031page
74 Helper Journal1936-05-081page
75 Helper Journal1936-05-151page
76 Helper Journal1936-05-221page
77 Helper Journal1936-05-296page
78 Helper Journal1936-06-053page
79 Helper Journal1936-06-191page
80 Helper Journal1936-06-261page
81 Helper Journal1936-06-265page
82 Helper Journal1936-07-231page
83 Helper Journal1936-07-311page
84 Helper Journal1936-07-315page
85 Helper Journal1936-08-071page
86 Helper Journal1936-08-143page
87 Helper Journal1936-08-211page
88 Helper Journal1936-08-281page
89 Helper Journal1936-09-113page
90 Helper Journal1936-09-114page
91 Helper Journal1936-09-117page
92 Helper Journal1936-09-251page
93 Helper Journal1936-10-021page
94 Helper Journal1936-10-026page
95 Helper Journal1936-10-091page
96 Helper Journal1936-10-161page
97 Helper Journal1936-10-231page
98 Helper Journal1936-10-301page
99 Helper Journal1936-10-306page
100 Helper Journal1937-01-221page
101 Helper Journal1937-03-051page
102 Helper Journal1937-04-021page
103 Helper Journal1937-05-071page
104 Helper Journal1937-08-051page
105 Helper Journal1937-08-121page
106 Helper Journal1937-09-234page
107 Helper Journal1937-10-141page
108 Helper Journal1937-10-144page
109 Helper Journal1937-10-281page
110 Helper Journal1937-11-041page
111 Helper Journal1938-03-171page
112 Helper Journal1938-03-241page
113 Helper Journal1938-04-071page
114 Helper Journal1938-04-141page
115 Helper Journal1938-04-281page
116 Helper Journal1938-05-121page
117 Helper Journal1938-05-191page
118 Helper Journal1938-05-193page
119 Helper Journal1938-06-021page
120 Helper Journal1938-06-091page
121 Helper Journal1938-06-166page
122 Helper Journal1938-07-281page
123 Helper Journal1938-08-041page
124 Helper Journal1938-08-111page
125 Helper Journal1938-09-011page
126 Helper Journal1938-09-081page
127 Helper Journal1938-09-083page
128 Helper Journal1938-09-086page
129 Helper Journal1938-09-151page
130 Helper Journal1938-09-221page
131 Helper Journal1938-09-291page
132 Helper Journal1938-10-061page
133 Helper Journal1938-11-031page
134 Helper Journal1939-04-201page
135 Helper Journal1939-06-151page
136 Helper Journal1939-09-141page
137 Helper Journal1939-09-147page
138 Helper Journal1939-09-211page
139 Helper Journal1939-09-215page
140 Helper Journal1939-09-282page
141 Helper Journal1939-10-121page
142 Helper Journal1939-10-191page
143 Helper Journal1939-10-193page
144 Helper Journal1939-11-234page
145 Helper Journal1940-03-211page
146 Helper Journal1940-04-181page
147 Helper Journal1940-04-256page
148 Helper Journal1940-05-092page
149 Helper Journal1940-05-306page
150 Helper Journal1940-06-061page
151 Helper Journal1940-07-041page
152 Helper Journal1940-07-111page
153 Helper Journal1940-07-181page
154 Helper Journal1940-07-251page
155 Helper Journal1940-07-256page
156 Helper Journal1940-08-011page
157 Helper Journal1940-08-018page
158 Helper Journal1940-08-151page
159 Helper Journal1940-08-158page
160 Helper Journal1940-08-222page
161 Helper Journal1940-08-291page
162 Helper Journal1940-09-051page
163 Helper Journal1940-09-121page
164 Helper Journal1940-09-122page
165 Helper Journal1940-09-193page
166 Helper Journal1940-09-198page
167 Helper Journal1940-09-2610page
168 Helper Journal1940-10-031page
169 Helper Journal1940-10-178page
170 Helper Journal1940-10-315page
171 Helper Journal1941-01-239page
172 Helper Journal1941-05-297page
173 Helper Journal1941-06-121page
174 Helper Journal1941-07-032page
175 Helper Journal1941-07-037page
176 Helper Journal1941-07-241page
177 Helper Journal1941-08-072page
178 Helper Journal1941-08-211page
179 Helper Journal1941-08-282page
180 Helper Journal1941-08-288page
181 Helper Journal1941-09-251page
182 Helper Journal1942-06-116page
183 Helper Journal1942-07-021page
184 Helper Journal1942-07-091page
185 Helper Journal1942-07-231page
186 Helper Journal1942-08-061page
187 Helper Journal1942-08-204page
188 Helper Journal1942-09-171page
189 Helper Journal1942-09-172page
190 Helper Journal1942-10-015page
191 Helper Journal1943-01-072page
192 Helper Journal1943-02-042page
193 Helper Journal1943-03-046page
194 Helper Journal1943-04-298page
195 Helper Journal1943-09-091page
196 Helper Journal1943-09-301page
197 Helper Journal1943-09-308page
198 Helper Journal1943-11-111page
199 Helper Journal1944-03-022page
200 Helper Journal1944-05-251page
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