Matches in Library of Congress for { ?s ?p 1968. }
- 68004076 date "1968".
- 68004086 date "1968".
- 68004087%2F%2Fr91 date "1968".
- 68004088%2F%2Fr69 date "1968".
- 68004089 date "1968".
- 68004091 date "1968".
- 68004094%2F%2Fr90 date "1968".
- 68004098 date "1968".
- 68004099 date "1968".
- 68004101 date "1968".
- 68004102%2F%2Fr90 date "1968".
- 68004103 date "1968".
- 68004107%2F%2Fr86 date "1968".
- 68004109 date "1968".
- 68004110%2F%2Fr942 date "1968".
- 68004112 date "1968".
- 68004116 date "1968".
- 68004123 date "1968".
- 68004124%2F%2Fr852 date "1968".
- 68004126%2F%2Fr90 date "1968".
- 68004128 date "1968".
- 68004130 date "1968".
- 68004131 date "1968".
- 68004133%2F%2Fr97 date "1968".
- 68004135 date "1968".
- 68004138%2F%2Fr832 date "1968".
- 68004139%2F%2Fr852 date "1968".
- 68004140%2F%2Fr85 date "1968".
- 68004142 date "1968".
- 68004143 date "1968".
- 68004146%2F%2Fr962 date "1968".
- 68004147 date "1968".
- 68004148 date "1968".
- 68004149 date "1968".
- 68004152%2F%2Fr85 date "1968".
- 68004153 date "1968".
- 68004154 date "1968".
- 68004155%2F%2Fr88 date "1968".
- 68004156 date "1968".
- 68004157 date "1968".
- 68004161 date "1968".
- 68004168%2F%2Fr872 date "1968".
- 68004169 date "1968".
- 68004171 date "1968".
- 68004172 date "1968".
- 68004173 date "1968".
- 68004174 date "1968".
- 68004175%2F%2Fr90 date "1968".
- 68004181 date "1968".
- 68004182%2F%2Fr94 date "1968".
- 68004183 date "1968".
- 68004184 date "1968".
- 68004186 date "1968".
- 68004188%2F%2Fr852 date "1968".
- 68004189%2F%2Fr83 date "1968".
- 68004194 date "1968".
- 68004206 date "1968".
- 68004208%2F%2Fr86 date "1968".
- 68004209%2F%2Fr852 date "1968".
- 68004210 date "1968".
- 68004211 date "1968".
- 68004212%2F%2Fr84 date "1968".
- 68004213 date "1968".
- 68004214%2F%2Fr83 date "1968".
- 68004218%2F%2Fr902 date "1968".
- 68004219%2F%2Fr842 date "1968".
- 68004220%2F%2Fr83 date "1968".
- 68004222 date "1968".
- 68004223%2F%2Fr84 date "1968".
- 68004224 date "1968".
- 68004225 date "1968".
- 68004229%2FMN%2Fr902 date "1968".
- 68004232 date "1968".
- 68004255 date "1968".
- 68004258 date "1968".
- 68004259 date "1968".
- 68004260 date "1968".
- 68004261 date "1968".
- 68004262 date "1968".
- 68004265 date "1968".
- 68004266 date "1968".
- 68004268 date "1968".
- 68004269 date "1968".
- 68004270%2F%2Fr82 date "1968".
- 68004271 date "1968".
- 68004272 date "1968".
- 68004273 date "1968".
- 68004277%2F%2Fr81 date "1968".
- 68004278 date "1968".
- 68004279%2F%2Fr922 date "1968".
- 68004284 date "1968".
- 68004285%2F%2Fr882 date "1968".
- 68004286%2F%2Fr89 date "1968".
- 68004291%2F%2Fr84 date "1968".
- 68004292 date "1968".
- 68004293 date "1968".
- 68004294 date "1968".
- 68004295 date "1968".
- 68004296%2F%2Fr85 date "1968".
- 68004299 date "1968".