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.

Typed letter from Amy Jonas of the Hebrew Institute of Pittsburgh to Ruth Edenstein, President of Congregation Dor Hadash, thanking Dor Hadash for sponsoring the construction of a ramp on the Hebrew Institute building.

Folded card with colored pencil illustration. Cover reads: "Remember that we are here with you" with a heart below. Inside shows an illustration of stick figure surrounded by six hearts. Back reads: "It's fine we're here with you" and features an upright hand.

Folded card on pink paper. Burn damage visible in the upper right edge of the card, perhaps due to proximity to an illuminated candle. Due to exposure to the elements at the Wilkins memorial, the message on this card is no longer visible.

Navy blue cotton t-shirt with white and gold screen-printed lettering. Lettering on front reads, "Pitt/Stronger Than Hate" with a Star of David taking the place of the dot above the letter I in "Pitt."

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 messages of love and prayer. The church's contact information is included on the back of the envelope.

Handwritten card written in pencil on paper. The card reads: "Dear Family, Hello my name is Elisha D. I am from Netivot, we stand together with you because a loss for you is a loss for us. May you only see simchas."

Handwritten letter from a student at Hebrew Academy, a private Jewish day school in Montreal, Quebec. The letter reads: "Dear Rabbi, I am so sorry for your loss. I hope it does not happen again. Refua Shleima (speedy recovery). I hope that everyone is comfortable and safe. Ahava Montreal ha [Hebrew Academy] 4A.

Card made by a student from the George Washington University Hillel. The card reads: "From our community at GW, you are in our hearts. We pray for better days to come, for mitzvot (good deeds) in honor of those lost, for actions of light to crowd out darkness in Squirrel Hill and beyond."

Folded card with marker illustration. Front and back cover features illustration of tree with heart superimposed on it. Interior features heart with X in center and words "We're all in this together. Things will get better. You're not alone."

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."

Handwritten card in green, orange, and red crayon on paper. The card reads, in large bubble letters: "Thinking of you" and illustrated with concentric hearts in red, orange, and green. Signed: "From Meira, West Orange, NJ." Tearing and creasing due to exposure to the elements at the Wilkins memorial.

Grey and black sticker with the words: "You are beautiful" on the front. The back contains a hashtag and web link to the "You Are Beautiful" company website.

Summary: Timeline arranged by Pittsburgh Post-Gazette listing six mass shootings in the Pittsburgh region since 2000, including incidents in Wilkinsburg, Beaver County, Stanton Heights, Collier, and Mt. Lebanon.

Laminated prayer card with text of the "Prayer to Our Mother of Perpetual Help" on the reverse. The front side features a reproduction of a medieval-style icon of the Virgin and child against a gold backdrop. This prayer card has the imprimatur of the former archbishop of Boston, William Cardinal O'Connell (1859-1944).

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope contains a handwritten message: "With Peace and in Repentance and friendship of Spirit." The front cover reads: "Peace" and features a sandy landscape with a blue sky and orange flowers. The inside reads: "Dear Friends in the God of Abraham, My spirit and my prayers have been with you this past week. Prayers of love, courage, hope, and prayers of repentance for all little ways in which my own way of living accommodates any hatred, bigotry, or antisemitism.

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.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is signed Aden, a kindergarten student. It is nearly illegible due to the young age of the sender.