Template:White - American railroad freight car/doc

Usage
{ "description": "", "params": { "page": { "label": "Page", "description": "Page in the source that supports the content; displays after 'p.'", "type": "string" },       "pages": { "label": "Pages", "description": "Pages in the source that support the content (not an indication of the number of pages in the source); displays after 'pp.'", "type": "string" },       "nopp": { "label": "No pp", "description": "Set to 'y' to suppress the 'p.' or 'pp.' display with 'page' or 'pages' when inappropriate (such as 'Front cover')", "type": "string" },       "ref": { "label": "Ref", "description": "An anchor identifier; can be made the target of wikilinks to full references; special value 'harv' generates an anchor suitable for the harv template", "type": "string" } } }