| Site | Filename | Distribution | File size |
| ftp.icm.edu.pl | thunderbird-52.9.1-1.el7.centos.src.rpm | CentOS 7 | 419275249 |
| ftp.icm.edu.pl | thunderbird-52.9.1-1.el7.centos.src.rpm | CentOS 7 | 419275249 |
| ftp.icm.edu.pl | thunderbird-52.9.1-1.el7.centos.src.rpm | CentOS 7 | 419275249 |
