Please note that most Adelard developed plugins written for previous versions of ASCE are bundled with later versions. So ASCE 4.1 includes plugins from ASCE 4.0 and 3.5, and ASCE 4.0 includes plugins for ASCE 3.5. Unless an updated version is available, you do not need to download them as they are already included.
For times when you need to reference material from PDFs, this plugin provides you with two choices:
Note: this plugin has a standalone installer. Unzip the downloaded file and double click to install.
Download Linking to PDFs for ASCE v3.5 (customer password required)