There are no fewer than seven different “Here’s to the crazy ones” references in the Apple Emoji set. (If I missed any, please let me know!)

Update: A thank you goes out to commenter Unicode.

📝
MEMO
Unicode: U+1F4DD (U+D83D U+DCDD), UTF-8: F0 9F 93 9D

📜
SCROLL
Unicode: U+1F4DC (U+D83D U+DCDC), UTF-8: F0 9F 93 9C

📖
OPEN BOOK
Unicode: U+1F4D6 (U+D83D U+DCD6), UTF-8: F0 9F 93 96

📑
BOOKMARK TABS
Unicode: U+1F4D1 (U+D83D U+DCD1), UTF-8: F0 9F 93 91

📋
CLIPBOARD
Unicode: U+1F4CB (U+D83D U+DCCB), UTF-8: F0 9F 93 8B

📃
PAGE WITH CURL
Unicode: U+1F4C3 (U+D83D U+DCC3), UTF-8: F0 9F 93 83

📄
PAGE FACING UP
Unicode: U+1F4C4 (U+D83D U+DCC4), UTF-8: F0 9F 93 84