Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. The inside reads: "Even in dark times there's still hope! I'm praying for you ALL! From Holy Angels CCD." Spelling errors corrected for clarity.

Folded card with marker illustration. Front and back cover features illustrations of heart superimposed on tree. Interior features illustration of two figures beneath word bubble "Freedom!" and nine balloons.

Printed floral tags from floral arrangements sent by Shadyside Presbyterian Church.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Deliver us from evil! -"

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Tree of Life, Love always wins. We are with you. Blessings, Dolly and Stan [last name redacted]."

Handwritten note written on lined notebook paper reading: "Filled with grief- Prayers for peace and justice."

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: "Don't bully people and stand up for people when they are getting bullied."

Wooden pedestal painted white with white Star of David and red heart affixed to front. Handwritten in pencil and black marker on the Star of David is the name "Cecil Rosenthal." Collaged onto the heart are white pieces of paper and a translation of Psalm 34:18: "The Lord is close to the broken hearted and saves those who are crushed in spirit." Affixed to one side of the pedestal is a black sticker with the word "LOVE" in white letters. Accompanying image shows all 11 Stars of David in the series.

Card made by a student from the George Washington University Hillel. The front cover reads: "Hugs" with asterisks on either side. The inside (from right to left) reads: "Sending you messages of hope, love, and comfort from Washington D.C. Love, Alex. May God be with you and your families."

Card made by a student from the George Washington University Hillel. The front cover features the partial outline of a tree; most of the ink faded has faded by water damage at the memorial site. The inside, which also has partial fading due to water damage, reads: "I can't think of the words to say that could possibly make this better for all of you. Just know that we are all here for you, as a Jewish community sending love and strength your way. Though it may not seem like it now, we will all make it through this and work to make tomorrow a better day.

Folded card with colored-pencil illustrations. Front features illustration of tree shedding leaves. Interior features sun shining over water and the name "Sarah."

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.

Post-it note with handwritten message and illustration in blue and green marker. The message reads: "Nothing is lost on the breath of G-d." An illustration of a dove holding an olive branch against the backdrop of cresting waves or mountains.

Floral tag from floral arrangement. The tag features a quote from Psalm 121:4, which reads: "Indeed, he who watches over Israel will neither slumber no sleep." The message is handwritten in black ink on a printed tag with white and purple flecked flowers.

Paper with photocopied excerpts from two passages titled "November 1." The first passage is the Prayer of Joy. The second passage is a quote from Max [redacted], a minister in San Antonio, Tx. The back contains a handwritten message from Denise, a resident of the North Side section of Pittsburgh.

Half-page program containing typed text. First page includes a graphic of a tree. Lists speakers for event.

Floral tag from floral arrangement, which reads: "May they Rest in Peace." The message is written in blue ink on a printed tag with multicolored flowers in the lower right corner. The reverse is stamped with the contact information for Squirrel Hill Flower Shop.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a turtle with floral and geometric motifs on its back, legs, and neck. The back contains a handwritten note, as well as a sticker with the stock signature: "From your friends at West Allegheny Middle School."