Post-it note with handwritten message in blue ink. The message reads: "We are here."

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: "Pray for world peace. Praying for all. Love Wins!" The church's contact information is included on the back of the envelope.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear friends, My heart and prayers are with all of you as you process your loss and the events in these past few days. May God's presence and comfort be showered on every one of you. I cannot even begin to imagine... I pray for God's grace and blessings. With love, Cheryl [last name redacted]."

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The front cover reads: "Peace" and features a sandy landscape with a blue sky and orange flowers. The inside reads: "May your loved ones be held in the loving arms of God. I pray for your friends and families that they may find peace."

Folded card with pencil illustration. Cover features flower on ground under words "Just remember..." Interior features illustration of heart superimposed on planet Earth with human figures dancing on it and the words, "We Are All Jews Together." Additional note reads, "Please know that Beth Chai Congregation members like us are thinking of you. Karen & Howard [last name redacted for privacy]."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Brothers and Sisters, We have been so deeply moved by the horrible tragedy your community is working through. Please know you are loved. You are cared for. You are being prayed over daily. Love, [?] family.

Card addressed to Jerry Rabinowitz, written using personal details from various public sources.

Hardwritten card in blue pen on white paper, offering condolences following the October 27 attack.

Card from three students [last names redacted] at Magen David Yeshivah High School in Brooklyn, Ny. Front cover features an illustration of a house with a large rain cloud behind it; the rain falls on a small stick figure holding a heart below. The cover is addressed to the families of Pittsburgh. The upper flap inside features a pink heart in the center with rain clouds and raindrops on the left, a shining sun on the lower right, and a smiling face with symbols tumbling out in a diagonal ray.

Post-it note with handwritten message in blue marker. The message reads: "R.I.P. we will fight for you. [Heart]."

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "Please do not stop your worship. Continue to pray for the people who really need it. Pray for those who need love. I love you so please do not stop worshipping or [be] scared to worship. Don't let the hate change your lifestyle. [Smiley face]."

Floral tag from floral arrangement sent by the Brown family. The tag reads: "Pittsburgh Strong. We grieve with you. There are no words. Thank you for standing for love. Thank you for fulfilling Exodus 22:21." Note handwritten in blue ink on a printed tag featuring a white rose on the left.

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: "Dear friend, Greetings and peace be with you today. I thank God for the opportunity to write to you this morning. I just wanted to let you know that I am committed to praying for you and serving our communities together. The world is full of broken people. Some of these broken people have caused unimaginable pain. To you my Jewish friends.

Post-it note with handwritten message in blue marker. The message reads: "The 2nd and imp[ortant] commandment is LOVE Your Neighbor. Susan." Tape on the bottom and top left. Tearing and dirt due to exposure to the elements at the Wilkins memorial.

Butterfly-shaped cutout with colored with blue and green pencil. The words: "#Stronger Than Hate" appear handwritten in alternating blue and green letters above the butterfly's antennae.

Handwritten note written in yellow marker on a printed paper with a framed picture with leaves around the edges. The note is written inside the leaf frame and reads: "Eleven beautiful leaves for eleven beautiful sweet souls ripped away... Six strong trees for the six injured but here to stay. Hated can't weaken a city of steel."

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover contains the following quote: "Let your smile change the world. But don't let the world change your smile." Illustrated with a Star of David below. The inside reads: "Dear Rabbi Jeffrey Myers, I am sorry for the antisemitic attack on your place of worship. I hope this letter will you get through these hard times. I also hope the victims' families are doing well. We can get through this. - Sincerely, Goddard Middle School Student, Littleton, Colorado."

Handwritten card in pink and orange marker on pink paper. The card reads: "Sorry for this tragedy. We love! Adeline." A large, striped, inverted triangle appears below the word "Sorry." Small hearts and peace symbols appear throughout.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "May God comfort you today and in the days ahead. I will keep you all in thought and prayer. [?] from Pt Loma P.C."

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.