Overview of theme files | Theming Drupal 7 | Drupal Wiki guide on Drupal.org
Field storage tables | Drupal.org
File Resumable Upload | Drupal.org
File module overview | File module | Drupal Wiki guide on Drupal.org
Download file issue in drupal 7 - Drupal Answers
How to override field templates in Drupal 7 | 3C Web Services of Tampa Bay
How to: Drag & Drop Multiple Image Upload for Drupal 7 | 3C Web Services of Tampa Bay
URL to access a private file within Drupal 7 - Drupal Answers
File module overview | File module | Drupal Wiki guide on Drupal.org
Drupal 7 - How to set file system paths? - CodeSteps
php - Drupal 7 error: The file could not be created - Stack Overflow
Set Maximum File Upload Size in Drupal - Interserver Tips
filedepot | Drupal.org
How to add custom theme settings for Drupal 7 | Red crackle
How to set max image upload file size in Drupal 7 | InMotion Hosting
Drupal 7 Custom Module File Upload - YouTube
IMCE Image upload button does not show in Drupal 7 - Stack Overflow
Drupal 7 File structure and directories - YouTube
How to Install the Drupal Module for Drupal 7 – Help Center — Support — Cincopa
FileField | Drupal.org
File Resumable Upload | Drupal.org
Installing and Enabling Modules in Drupal 7 | Drupalize.Me
Migrating Drupal 7 Image Files to Drupal 8 Media Images (no PHP required!) - Doug Chan
File Resumable Upload | Drupal.org
