Configure a Basic Router with Configuration Professional - Cisco
Cisco Routers for the Desperate: Router Management, the Easy Way: Lucas, Michael W.: 9781593270490: Amazon.com: Books
Cisco Enterprise Router Selector - Cisco
Cisco 4000 Series ISRs Software Configuration Guide, Cisco IOS XE Fuji 16.7.x - Managing the Device Using Web User Interface [Cisco 4000 Series Integrated Services Routers] - Cisco