| URL (35) | Error Hits | Referrers |
|---|
| /robots.txt | 9 | - |
| / | 3 | - |
| /245/2/ES28.4.1965.pdf | 2 | http://search.caltech.edu/search |
| /245/1/books.pdf | 2 | http://search.caltech.edu/search |
| /274/01/darkly.pdf | 1 | - |
| /221/01/personals.pdf | 1 | - |
| /250/01/hammond.pdf | 1 | - |
| /284/01/sun.pdf | 1 | - |
| /315/01/exploring.pdf | 1 | - |
| /88/01/Bussard.pdf | 1 | http://www.google.com/search |
| /300/01/summer.pdf | 1 | - |
| /295/1/brooks.pdf | 1 | http://search.caltech.edu/search |
| /263/01/themonth.pdf | 1 | - |
| /221/01/books.pdf | 1 | - |
| /14/ | 1 | - |
| /295/01/brooks.pdf | 1 | http://search.caltech.edu/search |
| /275/01/retiring.pdf | 1 | - |
| /251/01/personals.pdf | 1 | - |
| /254/01/personals.pdf | 1 | - |
| /275/ | 1 | - |
| /305/ | 1 | - |
| /144/01/Petroleum.pdf | 1 | http://search.caltech.edu/search |
| /274/01/themonth.pdf | 1 | - |
| /239/01/seminar.pdf | 1 | - |
| /274/ | 1 | - |
| /291/01/hamburg.pdf | 1 | - |
| /319/01/themonth.pdf | 1 | http://www.google.cn/search |
| /249/01/mccann.pdf | 1 | - |
| /254/01/hudson.pdf | 1 | - |
| /305/01/themonth.pdf | 1 | - |
| /175/01/student.pdf | 1 | http://search.caltech.edu/search |
| /274/01/fowler.pdf | 1 | - |
| /144/1/Petroleum.pdf | 1 | http://search.caltech.edu/search |
| /231/01/stars.pdf | 1 | - |
| /197/01/lost.pdf | 1 | http://www.google.cn/search |