Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Brown envelope with handwritten note in black ink on a rectangular emblem, reading: "In Memory." Staining and creasing due to exposure to the elements at the Wilkins memorial.

Card with photograph of flower. Handwritten text on front of envelope reads, "To: Tree of Life in sympathy and solidarity" and back of enveloped reads, "Won't you be my neighbor? Mr. Rogers." Handwritten interior of card expresses love for the Pittsburgh Jewish community and evokes Mr. Roger's: "We are called upon to remember the spirit of Mr. Rogers and love each and every one of our neighbors who make our community so wonderful."

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside reads: "We are one. We will get through this together. You are not alone. [Heart]." The church's contact information is included on the back of the envelope.

Card addressed to Joyce Fienberg, written using personal details from various public sources.

Folded card with crayon illustration. Cover features heart surrounded by circles and name Max. Interior reads "Things do get better. I am sorry for the 11 killed and their families. But the world's not over. How will you bounce back from the tragedy. You guys are really strong sticking through the tragedy." Second note reads. "We are with you! Michele."

Business card from Pastor J. Hogan of Faithbridge Community Church.

Handwritten card from a student at Goddard Middle School in Littleton, Co. The cover of the card features the following quote: "For every minute you are angry, you lose 60 seconds of happiness." Inside reads: "Dear Rabbi Jeffrey, I am terribly sorry about the antisemitic attack. It infuriates me that someone could do that. Sincerely, Colton [last name redacted]."

Message written on a green note card which affirms the importance of words and combatting hate. The note ends with the following words: "Squirrel Hill is in the hearts and minds of everyone in PGH [Pittsburgh] and in the world."

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside contains a prayer for God's grace and love. The church's contact information is included on the back of the envelope.

Note addressed to the victims and neighbors of the October 27 attack.

Handwritten "Prayer of St. Francis" written in black ink on white paper, glued to cardboard. Warping due to exposure to the elements at the Wilkins memorial.

Post-it note with handwritten message and illustration in black marker. The note is signed: "[heart] Dorothy" and features two abstract circle and oval shaped illustrations.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The inside reads: "Everyone will stand with you through these tough times. -Flynn."

Post-it note with handwritten message in black marker. The message reads: "We will make the world a better place in the name of your memory."