Vikings/Tree

Tech Tree Exclusions
The Vikings have access to the units, buildings, and technologies that aren't mentioned here:

Archery Range

 * Hand Cannoneers
 * Heavy Cavalry Archer
 * Parthian Tactics

Barracks

 * Halberdier
 * Eagle Warrior -> Elite Eagle Warrior

Stable

 * Bloodlines
 * Camel -> Heavy Camel
 * Paladin
 * Hussar
 * Husbandry

Dock

 * Fire Ship -> Fast Fire Ship
 * Shipwright

Monastery

 * Redemption
 * Illumination
 * Sanctity
 * Theocracy
 * Herbal Medicine

Siege Workshop

 * Siege Onager
 * Bombard Cannon

Blacksmith

 * Plate Barding Armor

University

 * Bombard Tower
 * Keep
 * Treadmill Crane

Mining Camp

 * Stone Shaft Mining

Market

 * Guilds