Here is the full list of all 91 1931: Scheherazade at the Library of Pergamum achievements.
Maxed out the Occult Lore skill
Completed the game on Easy
Completed every Adventure with Johnny
Used a bullwhip
Maxed out the Poise skill
Maxed out the Listen skill
Maxed out the Deception skill
Maxed out the Magic Tricks skill
Successfully completed the tutorial
Maxed out the Athletics attribute
Maxed out the Grace skill
Maxed out the Climbing skill
Maxed out the Leaping skill
Maxed out the Strength skill
Maxed out the Riding skill
Maxed out everything Athletic
Maxed out the Charm attribute
Maxed out the Diplomacy skill
Maxed out the Flirting skill
Maxed out the Negotiation skill
Maxed out the Animal Handling skill
Maxed out the Charm suite
Maxed out the Conscience skill
Maxed out the Courage skill
Maxed out the Patience skill
Maxed out the Resolve skill
Maxed out the Hope skill
Maxed out the Knowledge attribute
Maxed out the Problem Solving skill
Maxed out the Language skill
Maxed out the Cryptography skill
Maxed out the Repair skill
Maxed out the Deduction skill
Maxed out the Knowledge suite
Maxed out the Empathy skill
Maxed out the Self-Knowledge skill
Maxed out the Tolerance skill
Maxed out the Stress attribute
Maxed out the Awareness skill
Maxed out the Fisticuffs skill
Maxed out the Moxie skill
Maxed out the Dodge skill
Maxed out the Escape Artistry skill
Achieved perfect Stress scores
Maxed out the Wits attribute
Maxed out the Stealth skill
Maxed out the Poker skill
Maxed out the Perception skill
Maxed out the Wits suite
Lived the Dream of Ahmose
Lived the Dream of Nigel
Lived the Dream of Felix
Lived the Dream of Sterling
Lived the Dream of Roland
Lived the Dream of Family
Maxed out the Relationship with Ahmose
Maxed out the Relationship with Nigel
Maxed out the Relationship with Felix
Maxed out the Relationship with Sterling
Maxed out the Relationship with Roland
Maxed out the Relationship with Evelyn
Maxed out the Relationship with Anna
Maxed out all Relationships
Completed the game on Normal
Completed the game on Hard
Completed Ahmose's Adventure line
Completed Nigel's Adventure line
Completed Felix's Adventure line
Completed Sterling's Adventure line
Completed Roland's Adventure line
Completed every New York Adventure
Completed every Adventure in a single playthrough
Completed 5 Adventures in Egypt
Completed every Adventure in Egypt
Completed 5 Adventures in Australia
Completed every Adventure in Australia
Completed 5 Adventures in Peru
Completed every Adventure in Peru
Completed 5 Adventures in Louisiana
Completed every Adventure in Louisiana
Completed 5 Adventures in India
Completed every Adventure in India
Completed 5 Adventures in Turkey
Completed every Adventure in Turkey
Used a brick as a weapon
Played the Main Adventure line and no others
Maxed out all Relationships, kept Dream of Family
Completed every Adventure with Lorelei
Completed every Adventure with Zul
Completed every Adventure with Lorelei, Zul and Johnny
A scrumptious achievement