Strength
Megaton - Lucas Simms House.

Perception
Republic of Dave - Museum of Dave.

Endurance
Deathclaw Sanctuary - Near Entrance.

Charisma
Vault 108 - cloning Labs, room with many beds.

Intelligence
Rivet City - Science Labs, on table.

Agility
Greener Pastures Disposal - Office.

Luck
Arlington Cemetary North - Arlington House, basement.

Skill Bobbleheads

Barter
Evergreen Mills - Market Bazaar, very back on shelf near to Smiling Jack.

Big Guns
Fort Constantine - CO Quarters in Basement.

Energy Weapons
Raven Rock - Colonel Autumn's Office.

Explosives
WKML Broadcast Station - Sealed Cistern, sewer manhole behind station, tucked in some rocks.

Lockpick
Bethesda Ruins - Bethesda Offices East.

Medicine
Vault 101 - Dad's Desk, grab before taking GOAT.

Melee
Dunwich Building - Virulent Chamber, center of room near exit.

Repair
Arefu - Evan King's house, requires lockpick skill 50.

Science
Vault 106 - Living Quarters, on a shelf, east most room.

Small Guns
National Guard Depot - Armory, must activate switch after going through the offices to access the armory.

Sneak
Yao Guai Tunnels - Yao Guai Den, near big pool of water.

Speech
Paradise Falls - Eulogy's Pad, table next to terminal.

Unarmed
Rockopolis - Next to Argyle's body