Use the blue cards on some of the shelves. Turn off the light to see which ones
There is also one other room in the shelves that contains another script

that the square is a letter and the triangle is a number. But I've tried with 9 and L and even 0 (zero) or O (which are the only letters/numbers I could find in the notes) but none of the combinations seem to work.

opening the left door and the chest again, they unlock as you discover new things.

wool9

7 red aries signs and 2 blue ones that I have used on the bookshelves to open 2 more squares.

-Read scroll
-Get red card under bed on right
-Facing bookshelf and bed, get red card behind bookshelf
-Turn back covers on bed, get red card
-Click picture on wall and get blue card
-Turn right to window. Click right window, get red card
-Click waste basket, get red card
-Go in door. Read scroll
-Get red card under stairs
-Click on stairs and watch animation. Click the stars.
-Go back twice and right once to wall with boxes. Read scroll
-Click on each darker box. There should be 1 scroll (with a 9 on it) and one blue card. Also, the farthest left box has a button in it.
-Click the light box 4 from the left and 3 from the top. Open it and read scroll.
-Turn the lights off with the button in the farthest left box. Click the left-most blue card in your inventory and click the box 9 from the left and 3 from the top.
-Select the second blue card and click the box 8 from the left in the top row.
-Turn the lights back on and investigate the new dark boxes. You get a red card and see 2 letter O’s.
-Turn left to the window and go in the door. Open the door on the left (it’s unlocked now)
-Move the chair and read the scroll
-Click under the desk and get the red card
-Open the top right drawer for a red card
-Zoom out and open the closet. Get the blue card behind the blue dress.
-Go back twice and right once to the wall of boxes. Select the blue card in your inventory and click the box 4 from the left in the bottom row. Read the scroll there for a W.
-Turn right once to face the door and open the box on the nightstand. Get the blue card.
-Turn left to the wall of boxes. Use the last blue card on the box 6 from the left and second from the top. Open it and read the scroll for an L.
-Click the box 4 from the left and second from the bottom for the code entry area. Enter “wool9″ and click the star on the left.
-Zoom out, turn right and click the doorknob!