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

Zine page with bubble letters and information about the emotional value of hugs. Zine page with cartoons illustrating the emotional value of hugs, including a superhero, labeled "Hugs to the Rescue" and a young couple.

Clear glass mason jar containing paper butterflies on sticks, rhinestone star wand, and windchime in the form of an angel with message reading "be at peace."

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.

Sympathy card including handwritten note reading, "Hate Can't Destroy a City of Steel/May the Love and Stories of those lost live on forever/You are all loved by your neighbors."

Flower pot covered in green burlap and tied with raffia ribbon. Pot contains blue and white synthetic flowers and synthetic leaves.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Be Strong" and other floral and geometric motifs. The back contains a handwritten note, as well as the stock signature: "From your friends at West Allegheny Middle School."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The front cover of the letter reads: "Letters." The inside reads: "My prayers and love are with all of the members of your synagogue."

Collage with a hand drawn tree with black ink in the center. Leaves made of multicolored tissue paper; two ready-made decorative leaf in orange, yellow, and peach fabric. Handwritten messages on either side.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The front and back covers of the card contain illustrated Stars of David. The inside reads: "One God... One Love... One World. I am sorry for your pain and suffering. May God Bless you all. Howard E. [last name redacted]." A Star of David appears in the upper center.

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.

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.

Printed tag with a photograph of David Rosenthal. The tag reads: "In Memory of David Rosenthal." Creasing and staining due to exposure to the elements at the Wilkins memorial.

Business card for Richard C. Yeomans, a pastor and chaplain who founded Emergency Ministry Services.

Hand painted sign with an illustration of a landscape a sun, large blue flower, green grass, and several hearts. The message, "I love you" has been painted next to the blue flower.

Handmade cardboard poster with black, red, blue, yellow, and green ink, reading: "Stronger Than Hate." The Stronger Than Hate Steelers' logo with the yellow Star of David appears in the center. The reverse, written in purple, pink, blue, and blank ink, reads: "No way to prevent this- says only nation where this regularly happens."

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: "We are praying you. We don't deserve this [heart symbol]. Nicole [heart symbol]."

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 peace, love, and unity. The church's contact information is included on the back of the envelope.

Card from the Friendship Circle of Illinois. The card reads: "To the Jewish community of Pittsburgh sheyichyu (may they live): I am very sorry that 11 of 10 people (Jewish) got shot. It's mamash (really) a very big tragedy. I will try to do everything I can to bring moshiach (the Messiah) and t'echias hamaisim (resurrection of the dead). And the cops tried shoot him and catch him but, there was no use. The robber already shot 11 people. Thank g-d they shot him.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "In light of recent events, I want to send over my condolences and love. I want you to know that this is not who we Christians are. We are not hate- only love. Your community is always and forever in prayers. [Smiley face]."